(CNN) United States Secret Service director Randolph "Tex" Alles is being removed from his position, multiple administration officials tell CNN.

President Donald Trump instructed his acting chief of staff, Mick Mulvaney, to fire Alles. Alles remains in his position as of now but has been asked to leave.

The USSS director was told two weeks ago there would be a transition in leadership and he was asked to stay on until there was a replacement, according to a source close to the director.

Secret Service officials have been caught by surprise with the news and are only finding out through CNN, according to the source.

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