Trump said he was not aware of the removals. Officials also said that thousands of FBI agents who investigated the Jan. 6, 2021, attack on the U.S. Capitol are under review.

Live updates as Trump threatens tariffs on China, Mexico, Canada and BRICS countries. Follow the latest news on Cabinet picks ...

Six of those who died in this week's midair crash of a regional jet and a helicopter were members of a Boston skating club. NBC News' Sam Brock reports on how others at the club are remembering those ...