Jim Acosta fired back at President Donald Trump's attack over his exit from CNN, mockingly tweeting that the president whom he once successfully sued for revoking his White House Press Corps press pass was suffering from "Acosta Derangement Syndrome.

The anchor has “signaled to associates in private conversations over the weekend that he intends to depart the network after its chief executive, Mark Thompson, booted him from the morning programming lineup,

Acosta, who frequently clashed with Trump in his first term, is leaving CNN after being stripped of his morning show and offered a midnight program in its place.