On Wednesday night, CNN’s Piers Morgan hosted Robert Zimmerman, Jr., the brother of George Zimmerman, whose controversial tweet comparing Trayvon Martin to De’Marquise Kareem Elkins, a Georgia teenager accused of shooting a 13-month-old baby in the face, has sparked cries of racism.

Morgan almost immediately went after Zimmerman, saying his tweets comparing the two “black boys” were “very controversial” and “bordering on outright racism.”

Here are the tweets in question:

George Zimmermans Brother Clashes With Piers Morgan in Fiery Exchange

(Twitter)

George Zimmermans Brother Clashes With Piers Morgan in Fiery Exchange

(Twitter)

Watch Morgan and Zimmerman’s tense exchange via CNN/Mediaite: