MISHAWAKA, Ind. -- The St. Joseph County Police Department is investigating a shooting that left one teen injured.

Police were notified of a walk-in shooting suspect at St. Joseph Regional Medical Center in Mishawaka at 8:10 p.m. Sunday.

A 17-year-old shooting victim was treated and released for gunshot wounds to the abdomen.

Investigators later learned that the shooting happened on the 54000 block of Fir Road in Mishawaka.

Police say the suspect has been identified by the victim and witnesses as a 19-year-old who knew the victim.

The 17-year-old told investigators that the suspect fired shots after an argument.

The suspect has not yet been located.

St. Joseph County Police detectives continue to work with Mishawaka and South Bend Police during the investigation.