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 ... strike on the Houthis in Yemen. "I take full responsibility. I built the group," Waltz said on "The Ingraham Angle." ...

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

US National Security Advisor Mike Waltz at the White House in Washington, DC., (REUTERS File) "I take full responsibility. I built the group; my job is to make sure everything's coordinated," Mike ...

He told Laura Ingraham that Elon Musk has the “best technical minds” investigating how he added a journalist to a war-plans group text.

In a particularly rough week for the Trump administration, a number of the president's allies are calling for accountability after military plans were inadvertently shared with a journalist.

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

More Americans said they were concerned the Houthi attack plans were shared with an Atlantic editor than those concerned ...

US National Security Advisor Mike ... Waltz claimed "full responsibility" for mistakenly adding a journalist to a group chat in which top American officials discussed impending strikes in Yemen ...