The FBI has concluded a review of newly-discovered emails related to Hillary Clinton, and the FBI sees no reason to change its previous conclusions about Clinton's use of a private server as secretary of state, FBI Director James Comey said in a letter to Congress today.

In July, after a year-long investigation, the FBI concluded that charges against Clinton were not warranted, saying agents had not found any evidence that Clinton knowingly sent or received classified information on the server.

This is a developing story. Check back for more.