Republicans lawmakers have uncovered “troubling allegations” that President Biden’s suspended special envoy to Iran, Robert Malley, stored classified material on his personal email account and cellphone — which was later accessed by a “hostile cyber actor.”

The top Republicans on the Senate Foreign Relations and House Foreign Affairs committee on Monday asked the State Department to confirm the allegations against Malley, who was quietly placed on unpaid leave last June and had his security clearance suspended amid a State Department investigation reportedly centered on his potential mishandling of classified information. 

The State Department has refused to reveal the exact nature of the allegations against Malley, leading Senate Foreign Relations Committee ranking member James Risch (R-Idaho) and House Foreign Affairs Committee Chairman Michael McCaul (R-Texas) to launch their own investigation into Biden’s top diplomat for Iran.