Reports say President Donald Trump will nominate National Security adviser Mike Waltz to become the nation's ambassador to the United Nations.

National security adviser Mike Waltz and his deputy, Alex Wong, will be leaving their posts in the Trump White House, according to multiple sources familiar with their departure.

White House national security advisor Mike Waltz is set to depart the administration, according to two people familiar with the matter Thursday, marking the first major staff shakeup of President Trump’s second term.