Police were called out to 5th Street and Mill Ave, near Gordon Biersch, on reports of a shot fired Friday night.
Tempe Police say this began with a fight and ended with the suspect firing a single gunshot into the air in the alley behind Gordon Biersch.
Police say a black male in a striped hoodie fired the shot and then fled. There does not appear to be any victims.
Officers are on the scene interviewing witnesses and searching for the suspect.