A bystander was fatally shot after security members at the demonstration confronted a man who was running toward the crowd with an AR-15-style rifle, the police said.

At 7:56 p.m., Redd said a police officer heard shots near 151 S. State St. First responders soon found Ah Loo injured on the ground. Medics quickly surrounded him, offering aid, but he died later at a local hospital.

Officers arrested 24-year-old Arturo Gamboa, who had an AR-15-style rifle and a gas mask and was injured in the incident. But police say he wasn’t the shooter. According to a report by our Fox affiliate,