The Pentagon’s inspector general will review the conduct of the former chair of the Joint Chiefs of Staff, who has been a vocal critic of the president.

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.

U.S. Defense Secretary Pete Hegseth is revoking the security clearance and personal security detail for retired Army General and former chairman of the Joint Chiefs of Staff Mark Milley, a Pentagon spokesperson said in a statement on Tuesday.