Nine people were injured in a shooting in Tucson, Arizona, early Sunday morning, according to police. Authorities said the suspected gunman was also shot by officers who responded to the scene.

Police said all nine victims suffered gunshot wounds. The suspected shooter was taken to a nearby hospital after being wounded by officers, and the injuries were described as life-threatening.

The incident adds to growing concern over gun violence in U.S. cities, with investigators expected to piece together what led to the shooting and how officers confronted the suspect. Officials have not released further details in the limited information made public so far.

As the investigation continues, police are working to establish the circumstances surrounding the Tucson shooting, including the sequence of events that left multiple people hurt and the suspect critically injured.