MSNBC’s Joe Scarborough said early Tuesday that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE once shouted at him for criticizing top White House adviser Stephen Miller.

“It’s the only time I’ve heard Donald Trump call and yell in defense of somebody else,” Scarborough said on "Morning Joe."

“He actually said, ‘You’re hurting this poor young kid, you’re killing him every day,’ " Scarborough added. "It was the first time I’d ever heard him talk about any staff member that way.”

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Scarborough, who said Trump and Miller had a “mind-meld” during the 2016 election, said the exchange with the president occurred after the former Florida congressman criticized Miller for saying “the powers of the president must not be questioned” in 2017.

Scarborough added that the president's remarks were “illiberal, undemocratic and frightening.”

Miller has been elevated within the White House in recent weeks, with Trump reportedly placing him in charge of immigration policy.

The top aide helped push out Homeland Security Secretary Kirstjen Nielsen Kirstjen Michele NielsenDHS IG won't investigate after watchdog said Wolf, Cuccinelli appointments violated law Appeals court sides with Trump over drawdown of immigrant protections Democrats smell blood with new DHS whistleblower complaint MORE, according to multiple reports, and is said to be pushing Trump to fire U.S. Citizenship and Immigration Services Director Lee Cissna and Homeland Security general counsel John Mitnick.

Rep. Ilhan Omar Ilhan OmarOmar fires back at Trump over rally remarks: 'This is my country' Trump attacks Omar for criticizing US: 'How did you do where you came from?' Democrats scramble on COVID-19 relief amid division, Trump surprise MORE (D-Minn.) blasted Miller as a “white nationalist” Monday, saying on Twitter that “the fact that he still has influence on policy and political appointments is an outrage.”