A swearing match between famous and controversial media figures erupted on the sidelines of the Republican National Convention Thursday night.

"The Young Turks" host Cenk Uygur got into it with controversialallies Roger Stone and Alex Jones.

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Uygur, the host of a popular left-wing web video show, called Stone a "piece of crap" and "the biggest liar in media."

"Bullshit! Bullshit! Bullshit!" shouted back Stone, a longtime Trump adviser who has no official role on the campaign.

InfoWars founder Jones stood over Uygur on the show's set, holding a microphone, gesticulating in the progressive host's face and urging him to debate Stone.

"First of all, Alex, this ain't your f---ing show," Uygur shouted back. "And Roger, this surely ain't your f---ing show."

The fight happened on Media Row at the GOP convention in Cleveland.

Security had to intervene.

A young woman in a red dress began shouting at Jones, "Shut the f--- up, bitch."

It's unclear from the video what exactly they were arguing about beyond name-calling — "anti-liberal," "bitch," "hatchet man," "liar" — and a suggestion that Uygur doesn't talk enough about Saudi Arabia.