Rapper fled Santa Monica venue.

Rapper Young Buck is being sought by police for allegedly stabbing a man who punched hip-hop legend Dr. Dre at the Vibe Awards on Monday night in Santa Monica, Calif. Buck is signed to Dr. Dre's record label and is a member of the G-Unit clique, which was named best group at Monday's awards.

Buck fled the Santa Monica airport hangar where the show was being taped, police Lt. Frank Fabrega said in a statement. A warrant was being prepared alleging assault with a deadly weapon.

The incident was sparked as Snoop Dogg and Vibe founder Quincy Jones were about to give Dre a lifetime achievement award. A man later identified as Jimmy James Johnson approached Dre, who was seated at a table in front of the stage, and appeared to ask for an autograph before punching producer, police said.

People began shoving, chairs were thrown, punches flew and people got chased. Some in the audience of about 1,000 scurried for the exits. Alicia Keys, the night's top winner with awards for artist of the year and best R&B song, was among those who fled.

Johnson was dragged away by security staff, but then suffered a serious stab wound when he was attacked by a number of people, including Buck, whose real name is David Darnell Brown, according to police.

"Brown is clearly depicted [on videotape] as holding a knife after the assault and is one of a number of fight participants that was pepper-sprayed by officers in their attempt to stop this fight," Police Chief James Butts told a news conference. "We're asking Mr. David Darnell Brown to surrender himself to police."

Johnson, 26, was in stable condition at an area hospital.

After the Vibe fracas was squelched, the taping continued. The show, broadcast last night on UPN, was seamlessly edited to remove any trace of the attack. "They can't stop me. I don't care," Dre said on television as he accepted his award, showing no signs of injury.

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