A mass shooting in downtown Tucson has left at least nine people injured, including the suspect who was shot by police during the incident. The shooting occurred on Congress Street, prompting a swift response from local law enforcement. Emergency services treated multiple victims at the scene, and ten individuals, including the armed suspect, were critically hurt. As the officers engaged in a confrontation, gunfire erupted, resulting in injuries to civilians and an officer firing at the suspect. The situation remains under investigation as authorities work to gather more information about the events that transpired.