The Pentagon’s internal watchdog notified the defense secretary of a probe into whether he shared classified information last month in a Signal group chat that included a journalist.

The inspector general of the US Department of Defense has launched an investigation into Pete Hegseth's use of the Signal application to message other top-level officials about military strikes on Houthi rebels in Yemen.

The Pentagon’s acting inspector general has announced that he will review Defense Secretary Pete Hegseth’s use of the Signal messaging app to convey plans for a military strike against Houthi militants in Yemen.