Cameron Hamilton, the recently terminated chief of the Federal Emergency Management Agency, was let go suddenly this week for undercutting President Donald Trump while testifying before Congress, according to the White House.

Cameron Hamilton, who was appointed by President Donald Trump, was escorted out of FEMA’s headquarters on Thursday, according to multiple sources familiar with the situation.

Acting Administrator Cameron Hamilton, who previously served as a hospital corpsman in the U.S. Navy with SEAL Team 8, has led the Federal Emergency Management Agency since January.