National security advisor Mike Waltz said he accepted “full responsibility” for a high-level Trump administration planning chat about strikes against Houthi rebels in Yemen being accidentally shared ...

U.N. Ambassador Mike Waltz said Sunday that the U.S. is "never going to take an approach of trust" with Iran as U.S.

Donald Trump has been urged to fire US Secretary of Defence Pete Hegseth following the leak of highly sensitive war plans - as national security adviser Mike Waltz said he took "full responsibility" ...

President Donald Trump has named Mike Waltz as his next nominee for the U.S. ambassador to the UN after ousting him as his national security adviser.