President Donald Trump confirmed that multiple employees within the National Security Council were fired Thursday, adding to National Security Advisor Mike Waltz's recent political woes that have snowballed since Democrats first slammed him over March's Signal chat leak.

Senior members of the Trump administration’s National Security Council — including its top national security adviser, Michael Waltz — used Gmail to conduct government business, The Washington Post reported, citing documents and three unnamed government officials.

Waltz and at least one senior aide used the commercial email service to discuss sensitive government matters, The Washington Post reported.

National Security Advisor Mike Waltz accidentally added a journalist to a Signal group chat about classified military action in Yemen. The chat included top Trump administration officials, including Vice President JD Vance and Secretary of State Marco Rubio.

Mike Waltz has been in the spotlight since he created a group chat on the messaging app Signal to discuss sensitive information about a US strike on Houthi rebels in Yemen, and accidentally invited a journalist to join it.

He has never sent classified material over his personal email account or any unsecured platform,” the spokesperson insisted.

National security advisor Michael Waltz commented on the Signal text chain leak during an appearance on "The Ingraham Angle."

Mary McCord, Former Acting Assistant Attorney General for National Security at the Justice Department join Nicolle Wallace on Deadline White House with reaction to new stunning reporting by the Washington Post,

President Trump stood by national security adviser Mike Waltz on Tuesday, one day after he was revealed to have looped in the Atlantic magazine’s editor in chief on deliberations about