For weeks, UN officials have been on tenterhooks waiting to see who US President Donald Trump would appoint as his ambassador ...

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

US president Donald Trump said ­yesterday he is nominating his national security adviser Mike Waltz to serve as United ...

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

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

Mr Waltz came under searing scrutiny in March after revelations that he added journalist Jeffrey Goldberg to a private text ...

Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.

US NATIONAL SECURITY advisor Mike Waltz is set to leave his position at the White House., according to US media reports.

Donald Trump removed Mike Waltz from his post as national security adviser — marking the first significant personnel overhaul ...

Sen. Tammy Duckworth said Sunday that she expects Mike Waltz to have a "brutal hearing" for U.N. ambassador after his surprise departure as national security adviser.

The Signal group chat scandal and Waltz’s hawkish stance on Iran are being touted as the reasons for his ouster as NSA.

Mike Waltz faces scrutiny after a photo revealed his use of TM SGNL, a modified Signal app, raising security concerns due to ...