US President Donald Trump's national security adviser Mike Waltz will leave his post following the Signalgate controversy, ...

Signalgate was the national security adviser’s most glaring mistake. But his problems ran deeper. After Michael Waltz, the ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

Fired National Security Adviser Mike Waltz can‘t help but leak his Signal chats. Waltz, whose downfall was precipitated by ...

Donald Trump ’s decision to remove Mike Waltz as his national security adviser could be followed by a mass firing of White ...

Marco Rubio, the US secretary of state, will step in as Donald Trump's national security adviser on an interim basis.

The national security adviser, a traditional Republican, was weakened by the Signalgate scandal – and even more so by his ...

Waltz publicly took full responsibility for the mishap, acknowledging the error as "embarrassing". The incident sparked ...

Follow the latest news headlines from Australia's most trusted source. Read in-depth expert analysis and watch live coverage ...

US President Donald Trump has replaced Mike Waltz as national security adviser and said that he is nominating him to be the ...

Follow the latest news headlines from Australia's most trusted source. Read in-depth expert analysis and watch live coverage ...

A video captured by CNN on April 29 shows former National Security Advisor Mike Waltz being prevented from boarding Air Force ...