Pasadena police arrested a Hawthorne man after he allegedly attacked three people during a Rüfüs Du Sol concert at the Rose Bowl last weekend.

Officers said 23-year-old Julio Cesar Lopez allegedly started attacking concertgoers because of a spilled drink, according to the Pasadena Police Department.

Investigators filed their case with the Los Angeles County District Attorney's Office. They asked anyone with information on the alleged assault to call police at (626) 744-4241. Those wishing to stay anonymous can contact Crime Stoppers at (800) 222-8477 or through their website lacrimestoppers.org.

Rüfüs Du Sol denounced the attack on their Instagram page, calling the alleged assault "unacceptable."

"We have been heartbroken to hear of the act of violence that took place during the openi

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