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

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 ...

Signal chat leak controversy: 'It's embarrassing,' national security advisor Mike Waltz takes responsibility ...

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 ...

Donald Trump's National Security Advisor Mike Waltz admitted that he accidentally ... subterfuge by the journalist. 'I take full responsibility,' Waltz said during his tortured explanation ...

National security advisor Mike Waltz said he accepted “full responsibility” for a high-level Trump administration planning chat about strikes against Houthi rebels in Yemen being accidentally shared ...

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 ...

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