McCarthy insisted that the rioters were Trump's supporters and begged Trump to call them off.
Trump's comment set off what Republican lawmakers familiar with the call described as a shouting match between the two men.
A furious McCarthy told the then-President the rioters were breaking into his office through the windows, and asked Trump, "Who the f--k do you think you are talking to?"
The newly revealed details of the call, described to CNN by multiple Republicans briefed on it, provide critical insight into the President's state of mind as rioters were overrunning the Capitol.
The existence of the call and some of its details were first reported by Punchbowl News and discussed publicly by McCarthy.
The Republican members of Congress said the exchange showed Trump had no intention of calling off the rioters even as lawmakers were pleading with him to intervene.
The House Republican leader had been forthcoming with his conference about details of his conversations with Trump on and after January 6. »