Signal Chat Leak, March 26 -- United States National Security Advisor Michael Waltz has taken "full responsibility" for a recently leaked Signal group chat of Trump officials that discussed plans for an upcoming strike on the Houthis in Yemen.

"I take full responsibility. I built the group," Waltz told Fox News on "The Ingraham Angle" on Tuesday (US Time). "It's embarrassing. We are going to get to the bottom of it," he said.

Waltz said he does not personally know Jeffrey Goldberg, the journalist who was added to the chat.

The leak triggered a storm after Goldberg, the Atlantic's editor-in-chief, wrote a first-person account of getting a connection request from what appeared to be Waltz on March 11 on Signal, a popular encrypted messag...