Despite calls for Mike Waltz or Pete Hegseth to resign, so far White House officials are bashing only The Atlantic. Here’s the latest on the debacle.

Political fallout is mounting as some Republicans are breaking with the White House on the severity of the leak.

Donald Trump has accused the media of waging a "witch hunt' in its calls for answers over the Signal group chat leak. Newsweek's live blog is closed.

U.S. National Security Advisor Mike Waltz received emails via his personal email account but has never used that account to send classified material, the White House said after The Washington Post reported Waltz and other National Security Council members used Gmail for government work.

The Washington Post is reporting that National Security Advisor Mike Waltz and his staff used their personal Gmail accounts for government communications. Washington Post national security reporter John Hudson joins Ana Cabrera to explain more.

Trump’s National Security Adviser was using Gmail for sensitive discussions—which is far less secure than Signal.