Pro-Russian Cossacks share a laugh next to a war monument at a gathering of pro-Russian supporters outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Pro-Russian supporters rally outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Soldiers, who were wearing no identifying insignia and declined to say whether they were Russian or Ukrainian, patrol outside the Simferopol International Airport after a pro-Russian crowd had gathered on February 28, 2014 near Simferopol, Ukraine. (Sean Gallup/Getty Images)

Supporters of the pro-Russian 'Russian Block Party' gather outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Pro-Russian supporters rally outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Supporters of the pro-Russian 'Russian Block Party' gather outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

A man wears the Ribbon of St. George, a symbol of Russian military valour, at a gathering of pro-Russian supporters outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Pro-Russian Cossacks rally outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

A man wears a helmet at a gathering of pro-Russian supporters outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Pro-Russian Cossacks rally outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Two pro-Russian women draped in Russian flags, of which the one at right proclaimed: 'This is the flag of Crimea!' attend pro-Russian demonstrations outside the Crimean parliament building on February 28, 2014 in Simferopol, Ukraine. (Sean Gallup/Getty Images)

Pro-Russian demonstrators march with a huge Russian flag during a protest in front of a local government building in Simferopol, Crimea, Ukraine, Thursday, Feb. 27, 2014. (AP Photo/Darko Vojinovic)

Pro-Russian demonstrators march with a huge Russian flag during a protest in front of a local government building in Simferopol, Crimea, Ukraine, Thursday, Feb. 27, 2014. (AP Photo/Darko Vojinovic)

Pro-European activists clash with pro-Russian activists as policemen try to separate them, in front of the Crimean regional parliament in Simferopol on February 26, 2014. (Vasiliy BATANOV/AFP/Getty Images)

A group of Russian supporters gathers in front of the parliament building to give a press statement, after around 60 armed men raided and occupied the regional government and parliament buildings in Simferopol, Crimea on February 27, 2014. (Bulent Doruk/Anadolu Agency/Getty Images)

The regional government buildings that were raided and occupied on February 27, 2014 in Crimea. (Bulent Doruk/Anadolu Agency/Getty Images)

Police forces intervene as a group of Russian supporters gathers in front of the parliament building to give a press statement after government buildings in Simferopol, Crimea, were occupied on February 27, 2014. (Bulent Doruk/Anadolu Agency/Getty Images)

A view of the Crimean parliament building in Simferopol with a Russian flag raised above it on February 27, 2014. (OLEKSANDR POLEHENKO/AFP/Getty Images)

Pro-Russian demonstrators with St. George ribbons stand in front of a local government building in Simferopol, Crimea, Ukraine, Thursday, Feb. 27, 2014. (AP Photo/Andrew Lubimov)

A Pro-Russian demonstrator waves Russian and Crimean flags while on an old Soviet Army tank during a protest in front of a local government building in Simferopol, Crimea, Ukraine, Thursday, Feb. 27, 2014. (AP Photo/Darko Vojinovic)

Barricades in front of a local government building with a banner which reeds: 'Crimea Russia" in Simferopol, Crimea, Ukraine, Thursday, Feb. 27, 2014. (AP Photo/Darko Vojinovic)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers chanting 'Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!' (Berkut is the elite paramilitary unit recently disbanded by the new Ukrainian government and responsible for many of the deaths during violent clahes recently in Kiev) hold up a giant Russian flag as they march in the city center on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Two young women sit in a shop that sells evening gowns as heavily-armed soldiers displaying no identifying insignia stand outside in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers, including one woman holding a sign that reads: 'The time has come to return my name! I am Russia. And not Ukraine!', hold up a giant Russian flag as they march in the city center on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers display the colours of the Russian flag as they march in the city center on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers chanting 'Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!' (Berkut is the elite paramilitary unit recently disbanded by the new Ukrainian government and responsible for many of the deaths during violent clahes recently in Kiev) hold up a giant Russian flag as they march in the city center on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers chanting 'Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!' (Berkut is the elite paramilitary unit recently disbanded by the new Ukrainian government and responsible for many of the deaths during violent clahes recently in Kiev) hold up a giant Russian flag as they march past the occupied Crimean Parliament building on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers chanting 'Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!' (Berkut is the elite paramilitary unit recently disbanded by the new Ukrainian government and responsible for many of the deaths during violent clahes recently in Kiev) wave Russian flags as they march in the city center on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers chanting 'Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!' (Berkut is the elite paramilitary unit recently disbanded by the new Ukrainian government and responsible for many of the deaths during violent clahes recently in Kiev) hold up a giant Russian flag as they march in the city center on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers chanting 'Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!' (Berkut is the elite paramilitary unit recently disbanded by the new Ukrainian government and responsible for many of the deaths during violent clahes recently in Kiev) hold up a giant Russian flag as they march in the city center on March 1, 2014 in Simferopol, Ukraine. Earlier in the day heavily-armed soldiers displaying no identifying insignia took up positions around the Crimean Parliament and elsewehere in the city center in what seems to be a growing military occupation of the Crimean capital. The new pro-Russian prime minister of Crimea, Sergei Aksenov, announced that he has taken control of Crimean military and security and appealed to Russia for help in maintaining peace in Crimea. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: A young man carrying flowers who moments before had confronted heavily-armed soldiers displaying no identifying insignia waved goodbye to them in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: A young man carrying flowers confronts heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: A young man carrying flowers confronts heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: People look at a heavily-armed soldier displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: A young woman walks past heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: A man wearing a scarf and jacket in the blue and yellow of the Ukrainian flag walks past heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: People walk past heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: People walk past heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: A young woman walks past heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers, including one loading bullets into his heavy machine gun, displaying no identifying insignia maintain watch in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street as people walk past in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street as people walk past in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: A soldier displaying no identifying insignia carries a loaded, heavy machine gun as people walk past in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street as people walk past in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Heavily-armed soldiers displaying no identifying insignia maintain watch in a street as people walk past in the city center on March 1, 2014 in Simferopol, Ukraine. Similarly dressed soldiers stationed themselves around the Crimean Parliament building earlier in the day in what seems to be a growing military occupation of the city, which is the Crimean capital. The day before unidentified soldiers occupied Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

Concerns Grow In Ukraine Over Pro Russian Demonstrations In The Crimea Region

SIMFEROPOL, UKRAINE - MARCH 01: Pro-Russian sympathizers, including one man holding a sign that referring to the USA and fascism, attend an anti-American rally hours after heavily-armed, unidentifed soldiers took up positions around the nearby Crimean Parliament on March 1, 2014 in Simferopol, Ukraine. The soldiers' arrival comes the day after soldiers in similar uniforms stationed themselves at Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government. Crimea has a majority Russian population and armed, pro-Russian groups have occupied government buildings in Simferopol. (Photo by Sean Gallup/Getty Images)

NOV. 22: Ukrainian President Viktor Yanukovych decides to scrap a trade deal that would dee

Nov. 24: Some

Some hundred thousand Ukrainians hit the streets of the capital Kiev to <a href="http://www.nytimes.com/2013/11/25/world/europe/thousands-of-ukrainians-protest-scrapping-of-trade-pact-with-eu.html" target="_blank">protest the presidential decision.</a>

Special forces resort to <a href="http://www.reuters.com/article/2013/11/25/us-ukraine-eu-idUSBRE9AO0B720131125" target="_blank">tear gas and batons</a> to disperse the demonstrators.

November 29, 2013

Yanukovich once again <a href="http://www.reuters.com/article/2013/11/29/eu-ukraine-protests-idUSL5N0JE29U20131129" target="_blank">rejects the European agreement</a> at a EU top in Vilnius. Pro-Europe protesters who had gathered at Kiev’s Independence Square erupt in tears. Counter-demonstrators cheer the news.

Protesters clash with police and occupy several government buildings.

December 8, 2013

Protesters <a href="http://www.reuters.com/article/2013/12/08/ukraine-idUSL6N0JN03P20131208" target="_blank">topple a statue of Lenin</a> in the capital Kiev.

December 11, 2013

Riot police move in to clear the encampment on Kiev's Independence Square

December 15, 2013

The EU is tired of Yanukovich's flip-flopping and <a href="http://www.nytimes.com/2013/12/16/world/europe/ukraine-protests.html" target="_blank">suspends talks</a> with the Ukrainian government.

December 17, 2013

Russia throws the Ukrainian government a lifeline and agrees to a <a href="http://www.reuters.com/article/2013/12/15/ukraine-eu-idUSL6N0JU07N20131215" target="_blank">$15 billion bailout</a>.

December 25, 2013

Unknown assailants beat up <a href="http://www.reuters.com/article/2013/12/25/us-ukraine-journalist-idUSBRE9BO04E20131225" target="_blank">Tetyana Chornovil</a>, a Ukrainian opposition activist and journalist known for her scathing reports about government corruption, hours after she published an article on the assets of top government officials. The attack reinvigorates the protesters.

January 16, 2013

Ukraine's parliament adopts <a href="http://www.reuters.com/article/2014/01/16/us-ukraine-law-idUSBREA0F12M20140116" target="_blank">sweeping anti-protest laws</a>.

January 19, 2013

<a href="http://www.reuters.com/article/2014/01/19/us-ukraine-rally-clash-idUSBREA0I0B220140119" target="_blank">Massive clashes</a> erupt in response.

January 22 - 23, 2013

<a href="http://www.bbc.co.uk/news/world-europe-25838962" target="_blank">Three protesters are killed</a> as security forces move against the protest camps. Kiev burns.

January 24, 2013

The protests continue despite the violence of the past days. Opposition protesters <a href="http://www.reuters.com/article/2014/01/24/us-ukraine-idUSBREA0M0S820140124" target="_blank">seize more government buildings</a>.

January 27, 2014

A <a href="http://www.reuters.com/article/2014/01/27/us-ukraine-tree-idUSBREA0Q0RK20140127" target="_blank">dead man is found hanging</a> on Kiev's Independence Square.

January 28, 2013

Ukraine <a href="http://news.yahoo.com/ukrainian-parliament-repeals-anti-protest-laws-105932742.html" target="_blank">repeals the hated anti-protest laws</a>. Opposition leader Arseny Yatsenyuk refuses Yanukovich's offer to become prime minister. Ukraine's prime minister Mykola Azarov and his cabinet resign. Protesters slam Yanukovich for clinching to power.

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Fireworks fly over Independence Square, known as Maidan, during clashes in the early hours of on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: A fire truck is used to rescue people from the upper floors of a burning Trade Unions Building, which has been used as the de facto headquarters for anti-government protesters, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Violence Escalates As Kiev Protests Continue

KIEV, UKRAINE - FEBRUARY 19: Anti-government protesters guard the perimeter of Independence Square, known as Maidan, on February 19, 2014 in Kiev, Ukraine. After several weeks of calm, violence has again flared between police and anti-government protesters, who are calling for the ouster of President Viktor Yanukovych over corruption and an abandoned trade agreement with the European Union. (Photo by Brendan Hoffman/Getty Images)

Ukrainian PM Tymoshenko Visits Tokyo

TOKYO - MARCH 25: Ukrainian Prime Minister Yulia Tymoshenko (L) shakes hands with her Japanese counterpart Taro Aso at Aso's official residence on March 25, 2009 in Tokyo, Japan. Tymoshenko is on a two-day visit aimed at bolstering cooperation between the two nations. (Photo by Kazuhiro Nogi - Pool/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Prime Minister Yulia Tymoshenko addresses anti-government protesters on Independence Square on February 22, 2014 in Kiev, Ukraine. The leader of the 2004 Orange Revolution against current embattled President Viktor Yanukovych traveled to Kiev to address the crowd immediately after being released from prison on what many claim were politically motivated charges. (Photo by Brendan Hoffman/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: A poster of former Prime Minister Yulia Tymoshenko is held up in the crowd on Independence Square before her address to anti-government protesters gathered there on February 22, 2014 in Kiev, Ukraine. The leader of the 2004 Orange Revolution against current embattled President Viktor Yanukovych traveled to Kiev to address the crowd immediately after being released from prison on what many claim were politically motivated charges. (Photo by Brendan Hoffman/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: People listen as former Prime Minister Yulia Tymoshenko addresses anti-government protesters on Independence Square on February 22, 2014 in Kiev, Ukraine. The leader of the 2004 Orange Revolution against current embattled President Viktor Yanukovych traveled to Kiev to address the crowd immediately after being released from prison on what many claim were politically motivated charges. (Photo by Brendan Hoffman/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: A large photograph of former Prime Minister Yulia Tymoshenko hangs on the side of a structure on Independence Square before her address to anti-government protesters gathered there on February 22, 2014 in Kiev, Ukraine. The leader of the 2004 Orange Revolution against current embattled President Viktor Yanukovych traveled to Kiev to address the crowd immediately after being released from prison on what many claim were politically motivated charges. (Photo by Brendan Hoffman/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Prime Minister Yulia Tymoshenko addresses anti-government protesters on Independence Square on February 22, 2014 in Kiev, Ukraine. The leader of the 2004 Orange Revolution against current embattled President Viktor Yanukovych traveled to Kiev to address the crowd immediately after being released from prison on what many claim were politically motivated charges. (Photo by Brendan Hoffman/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)

Ukrainian MPs Vote To Oust President Viktor Yanukovych

KIEV, UKRAINE - FEBRUARY 22: Former Ukrainian Prime Minister Yulia Tymoshenko addresses the crowd in Independence Square after being freed from prison on February 22, 2014 in Kiev, Ukraine. Ukrainian members of parliament have voted to oust Viktor Yanukovych and bring presidential elections forward to the 25th of May. (Photo by Jeff J Mitchell/Getty Images)