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A brawl broke out on stage at rapper Pusha T's concert in Toronto Tuesday night.

When people in the crowd charged the stage, a brawl erupted and at least six people were injured, one with life-threatening stab wounds.

Emergency crews were called to the Danforth Music Hall about 10 p.m.

The stabbing victim underwent surgery and is listed in critical condition.

After the initial donnybrook, more fights broke out outside the venue as people fled.

Two others were taken to hospital with non-life-threatening injuries.

Witnesses say people were throwing beer, water and even paint on stage.

– with files from CTV