But the US national security adviser said he could not explain how a journalist was added to a chat discussing air strikes in Yemen.

National security advisor Michael Waltz assumed "full responsibility" for a leaked ... he took valuable lessons from the Signal chat leak episode. "Lesson learned number one is you've got ...

WASHINGTON – National Security Adviser Mike Waltz told Fox News on Tuesday he took “full responsibility for inviting a reporter onto a group Signal app chat of Trump administration officials ...

US National Security Adviser Mike Waltz has taken 'full responsibility' for the embarrassing US war texts leak - but President Trump has blamed someone else.

National Security adviser Mike Waltz has taken full responsibility for creating the ... Trump told Waltz to look into the leak, and Waltz said that he had tech and legal teams looking into it ...

Mike Waltz, US National Security Advisor, on Tuesday claimed “full responsibility” for accidentally adding a senior journalist to a group chat in which top American officials discussed ...

The US National Security Adviser was unable to explain how a journalist was added to a Signal chat with US officials.

WASHINGTON – National Security Adviser Mike Waltz told Fox News on Tuesday he took “full responsibility for inviting a reporter onto a group Signal app chat of Trump administration officials ...

US National Security Adviser Mike Waltz has taken responsibility for a group chat ... Some national security experts have argued that the leak was a major operational lapse, and archive experts ...