New U.S. Defense Secretary Pete Hegseth, in one of his first acts in the job since being appointed by President Donald Trump, has revoked the personal security detail and security clearance for Mark Milley,

The Pentagon has revoked the security detail and clearance for retired general Mark Milley, a former top US military commander who has been critical of President Donald Trump. Defence Secretary Pete Hegseth directed the move as one of his first acts in office, asking officials to investigate Gen Milley's "conduct" and review his military grade.

Pete Hegseth told Gen. Mark Milley, a longtime foe of President Trump, that the Pentagon is revoking his security detail and clearance.