Rep. Joaquin Castro (D-Texas) is calling for President Trump to back up his claim that former President Barack ObamaBarack ObamaDem rep: Trump should back up wiretapping claim or apologize to Obama Trump issues revised travel ban Sanders: Trump can't continue to 'lie, lie, lie' MORE wiretapped Trump Tower before the election or apologize to his predecessor.
"President Trump should back up his wire tapping claim immediately or apologize to President Obama and the nation," Castro tweeted Monday.
President Trump should back up his wire tapping claim immediately or apologize to President Obama and the nation. I've seen no evidence.
— Joaquin Castro (@JoaquinCastrotx) March 6, 2017
In a series of tweets, he said the president is "requesting that as part of their investigation into Russian activity, the congressional intelligence committees exercise their oversight authority to determine whether executive branch investigation powers were abused in 2016."
FBI Director James Comey asked the Justice Department to publicly reject Trump's claims, according to a New York Times report.