President Trump was moved to the White House’s underground bunker Friday evening as protesters clashed with police and Secret Service agents outside, according to multiple reports.

The New York Times on Sunday reported that the president was taken to the bunker as demonstrators pulled metal barricades away from the White House gates Friday evening. According to CNN, he remained there for around an hour before returning to his residence. It was not clear if first lady Melania Trump and their son Barron accompanied him.

White House officials and the Secret Service did not immediately respond to requests for comment. The president slammed Washington, D.C., Mayor Muriel Bowser (D) in a tweet Sunday morning following the protest, accusing her of not allowing D.C. police to assist Secret Service agents.

Read more at The Hill.