Mike Waltz, US National Security Adviser, is expected to resign due to a leaked Signal chat about a military strike in Yemen.

US President Donald Trump has replaced National Security Adviser Mike Waltz after the Signal chat group leak scandal.

Mike Waltz, an army veteran, was moved out of the position of the US NSA and was deployed as the US ambassador to the United ...

Latest news and live updates as Trump joins a National Day of Prayer event and delivers the University of Alabama commencement address.

Mike Waltz and his deputy Alex Wong were ousted from their posts amid the Signal Gate row, an insider revealed why Secretary ...

Mike Waltz was photographed using Signal in a Cabinet meeting the day before Trump announced he was replacing him as national ...

Rep. Elise Stefanik had been Trump's original pick for UN ambassador, but her name was withdrawn over fears about tight ...

National Security Advisor Pete Waltz and his deputy, Alex Wong, were removed from their positions on May 1, Fox News ...

President Trump announced a major shakeup in his national security team Thursday, tapping Mike Waltz to be his United Nations ...

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of sensitive military information.

By Kaitlan Collins, Alayna Treene, Kevin Liptak, Jeff Zeleny, Kristen Holmes, Zachary Cohen and A(CNN) — President Donald Trump announced Thursday that he would nominate national security adviser Mike ...