OMAHA, Neb. (AP) — Omaha police say a teenager has been critically injured in a shooting.

Seventeen-year-old Shawn Johnson was shot Sunday in northern Omaha. He was transported to the CHI Health Creighton University Medical Center. Police say they believe the injuries aren’t life-threatening.

It’s unclear what caused the shooting and police haven’t released information about a suspect. No arrests have been reported.

Police are investigating.