The president says Waltz, who started the leaked Signal chat, will be nominated as US ambassador to the UN and be temporarily replaced by Secretary of State Marco Rubio.

President Donald Trump announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ambassador, after widespread reports that Trump planned to oust him, in the first ...

President Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

Fox News Digital took a look at whom President Donald Trump could select to replace former national security advisor Mike Waltz.

Mike Waltz had faced criticism for mistakenly adding a journalist to a chat group where sensitive military plans were discussed.

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, Fox News Digital confirmed.

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were published, President Trump announced he plans to nominate him to be ...

President Donald Trump has removed Mike Waltz as national security adviser and instead will nominate him for United Nations ambassador.

Trump tapped Waltz to be the next UN ambassador and said Secretary of State Marco Rubio will serve as interim national security adviser.

The Trump administration is overhauling the National Security Council after it announced former National Security Advisor ...

Among those changes is the news that Mike Waltz will no longer be serving as the national security advisor and has been nominated to be ambassador to the United Nations. Trump announced that Marco ...

Trump said that Waltz "has learned a lesson and is a good man." President Donald Trump said he is confident in his national security adviser, Mike Waltz -- a day after a report detailed how he ...