Piers Morgan got into a furious fight with author and MSNBC contributor Touré on Friday over his interview with the brother of Trayvon Martin shooter George Zimmerman.

The two had been quarreling on Twitter for nearly a day after Touré harshly criticized Morgan's sitdown with Robert Zimmerman. A sample tweet:

"Oh Toure, you're such a tedious little twerp," Morgan responded. He challenged his foe to a debate, Touré accepted, and the results were hostile to say the least.

Touré came out swinging right at the beginning.

"This is a major moment in American history," he said. "And you became part of the problem by allowing Robert Zimmerman to come on your show and spread misinformation." People at NBC, he added, were "laughing" at Morgan.

Morgan responded by saying that Touré was incorrect when he said that the Zimmerman brothers were estranged, and played a clip of him asking Robert Zimmerman about the apparent lack of injury to his brother. Touré said he had only challenged Zimmerman "a tiny little bit."

The interview only got uglier from there, as Morgan began quoting tweets of Touré's that he objected to. Touré got Morgan really mad, though, when he said that his Britishness was hindering his coverage.

"You are too new to this situation to fully understand what's really going on here and what's really at stake for America," he said.

"What a load of fatuous nonsense you speak, Touré, don't you?" Morgan spat back. "You think you have the only right to speak about what's serious in America? You think I don't have the right as somebody from Britain who spent the last six or seven years here to address the story like this with the seriousness it deserves?"

"You have the right," Touré responded. "But you're showing us that you don't fully understand what's going on here."

Watch the full interview below.

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