The White House has insisted no classified information has been shared on messaging platform Signal after reports emerged that U.S. Secretary of Defense, Pete Hegseth, shared information about upcoming military strikes in a second group chat that included his wife and brother.

A computer monitor in Hegseth's office was installed to give him remote access to the Signal app and text messages from his personal cellphone, the sources said. Hegseth has used the system to check and respond to those messages at his desk,