An Arizona woman who was knocked unconscious by an irate 23-year-old man at a sold-out Rose Bowl concert in August is suing the venue.

The violence reportedly broke out over a partially spilled drink at the Aug. 16 show headlined by the Grammy Award-winning electronic band RÜFÜS DU SOL.

Shelby Lynn Elston, her fiancé Cain Webb and some friends drove hours from Phoenix to see the band. As Elston and a friend climbed the steps to their seats in the packed venue, they accidentally spilled a bit of a drink on a man in front of them.

“We apologized immediately, but he yelled that it was intentional and ran off, leaving his companion behind,” she told The Festive Owl, a music news outlet. “We apologized to her and thought it was over.”

Unfortunately, the male concertgoer, later identified as

See Full Page