Authorities in Tucson say an Arizona state trooper shot at a vehicle driving toward him as troopers broke up a gathering of possible street racers.
The incident occurred early Sunday morning on an Interstate 10 frontage road.
Tucson police say law enforcement officers responding to reports of possible street racing found multiple vehicles and drivers. The officers began clearing the area using their vehicles' loudspeakers and emergency lights.
According to police Sgt. Kimberly Bay, a trooper standing outside his car fired at a vehicle coming at him when the vehicle's driver ignored shouted commands to stop.
The vehicle sped off but Bay says police found it later. Its occupants were detained.
The trooper suffered minor injuries.
Tucson police and the state Department of Public Safety will conduct separate investigations.