Police investigating shots fired at University of Arizona

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Police were looking for a person of interest after finding shell casings and blood while responding to a report of shots fired at the University of Arizona on Wednesday night.

University of Arizona Police Department officers found the casings near the Thomas W. Keating Bioresearch building.

A police spokesman said a person called in saying they heard three shots fired and then screaming or yelling.

Sgt. Filbert Barrera, a UAPD public information officer, said dispatch was able to find footage on campus cameras.

Police are looking for a 5-foot-10-inch man wearing a Chicago Bulls hat, white shirt, khaki pants and a tan backpack.

Berrera said the hospitals have not reported any gunshot victims.