The Pentagon’s inspector general will conduct an investigation of the Signal group chat where Defense Secretary Pete Hegseth and other Trump administration officials discussed details of an impending attack on Houthi militants in Yemen.

The Pentagon’s watchdog has launched a probe into Defence Secretary Pete Hegseth’s use of Signal to discuss Yemen airstrikes. The move follows a leaked group chat that mistakenly included The Atlantic’s editor-in-chief.

The Acting Inspector General (IG) of the US Department of Defence (Pentagon) will probe Secretary of Defence Pete Hegseth's use of Signal in a group chat with other national security officials to discuss military actions against the Houthis.