President Donald Trump, Michael Waltz, is expected to leave his position, said sources with ABC News Thursday.
This movement occurs when President Trump has been increasingly frustrated by Waltz after it was under intense scrutiny by inadvertently adding a journalist to a signal chat.
The White House and the waltz have not commented on the movements. The sources warned that the measure is not definitive until Trump announces it.
The president is expected to announce the changes soon, according to the sources.

National Security Advisor Mike Waltz speaks during a television interview at the White House, on May 1, 2025, in Washington.
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