An image of the Signal app is shown on a mobile phone in San Francisco, March 18. LONDON — A magazine journalist's account of being added to a group chat of U.S. national security officials ...

About 12 hours later, he was added to the "Houthi PC small group" chat on Signal, along with other top Trump administration officials, to discuss an imminent military operation against the Houthis ...

House Oversight and Accountability Committee Democrats are looking to force Republicans to advance a review of the Trump ...