SACRAMENTO (CBS13) – Police are investigating a local punk rock concert after Social Distortion singer Mike Ness singer fought with an audience member.

The incident happened July 19 at the Ace of Spades.

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Officers say Ness climbed into the crowd during the band’s performance reportedly to go after a heckler who had been taunting him. They say Ness threw punches before getting back on stage and resuming the song.

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The person hit was removed from the venue.

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Social Distortion is currently on tour across the US. The band was founded in 1978 and Ness is the only constant member.