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.

President Donald Trump of the United States has revoked the security detail for Mark T. Esper, a former defence secretary. Esper is among several officials who are facing threats from Iran due to the actions they took on behalf of Trump during his first term.

Defense Secretary Pete Hegseth on Tuesday revoked the security detail and security clearance for Gen. Mark Milley, according to Pentagon spokesman John Ullyot, an unprecedented move against the former top US general who became a frequent target of President Donald Trump.

Pete Hegseth told Milley, a critic of Trump, that he had ordered an investigation to determine whether his rank should be re-evaluated.

Former Secretary of Defense Mark Esper has become the latest ex-official from President Trump’s first term to lose their security detail, according to a report. The Pentagon revoked Esper’s taxpayer-funded security detail on Tuesday night,

President Trump has revoked the security detail for former Defense Secretary Mark Esper, adding him a slew of others who have had their security provisions taken away after being critical of the commander in chief.