Tucson Police are investigating a shooting that happened inside the Metro PCS store on 29th and Craycroft.
Sgt. Dugan with TPD says the male suspect walked inside the store on Sunday and immediately pulled a mask over his face.
When the suspect pulled out his handgun, another customer pulled out his own handgun. That's when Sgt. Dugan says gunfire exchanged between the suspect and the customer inside the store.
Some of the windows of Metro PCS were shot out during the gunfire.
Police say multiple rounds were fired by both people. The suspect ran away and it is unknown if he was injured by the gunfire. No one inside the store, including the customer who fired his handgun, were injured.
Police describe the suspect as a white man with light-colored eyes: blue or green.
The TPD Robbery team is investigating. Anyone with information is asked to call 911 or 88-CRIME.