FORT WAYNE, Ind. (WANE) – Fort Wayne Police arrested a 14-year-old Monday on a murder charge in connection to the killing of a 17-year-old whose death the coroner ruled a homicide.

FWPD said in a press release Tuesday officers arrested a boy around 7 a.m. Monday in connection with the fatal shooting, and he’s preliminarily charged with murder.

The 17-year-old victim, identified by the coroner Tuesday as Mario Davaughn Smith Jr. from Fort Wayne, was initially listed in life-threatening condition after the shooting Sunday night in the 1000 block of Milton Street.

Fort Wayne Police responded to the shooting just before 11:30 p.m. and found Mario with a gunshot wound. The teenager was taken to a hospital where he was later pronounced dead, according to the release from the coroner.

The coroner determined Mario’s cause of death was gunshot wounds in his chest, and the manner of death was ruled a homicide.

In the initial release on the shooting, police said several witnesses were identified and were cooperating with the investigation. They, along with those identified as potential suspects, are all teenagers, police said.

No other information on the arrest was provided, and the shooting is still under investigation.