LONDON (AP) - British police say a man is in critical condition after being stabbed at a music awards ceremony in London.

The Metropolitan Police force says the man in his 20s was injured during a brawl at the 6th annual Urban Music Awards. One other person was treated at a local hospital for minor wounds. Police are trying to determine whether others were injured.

Guests said chairs and champagne bottles flew when a brawl broke out during Saturday's show at the O2 arena.

Estelle, Adele, Leona Lewis, Dizzee Rascal and Duffy were among the performers nominated for awards, but organizers called off the ceremony after the violence.

Police are interviewing hundreds of people who attended the show. One man has been arrested.

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