Early Sunday morning, a gunman opens fire in Tucson, Arizona’s downtown entertainment district, injuring at least nine people, according to police and multiple news reports. The shooting occurs around 2 a.m. local time. Responding officers hear gunfire and move toward the area on routine or responding patrols in a crowded nightlife environment. Police report encountering a suspect and issuing repeated commands before the suspect is shot by officers. Reports state the suspect is shot and wounded, with some accounts describing life-threatening injuries. The victims are adults who are transported to hospitals; several are described as critically injured. While one outlet reports at least 10 people injured, other reports consistently describe nine people shot and injured. Police do not indicate a motive in the provided summaries, and the information reflects initial accounts of casualties and the sequence of events: gunfire in the entertainment district, police response, confrontation, and the suspect being shot by officers.