Former Defense Secretary Mark Esper's security detail, which was provided by the Defense Department, was pulled Tuesday night, a U.S. official told CBS News.

Within hours of his inauguration, Mr. Trump began to pull security details from nearly a half-dozen people who had served in his first term, most of them under threat for enforcing his Iran policy.

U.S. President Donald Trump has revoked federal security protection for former U.S. Defense Secretary Mark Esper, the New York Times reported on Wednesday, citing two people with knowledge of the matter.