Was Coventry self-defense?

When a fight occurs, people always introduce the self-defense argument. What exactly happened? Coventry Police need to sort that out.

Coventry Police have confirmed a fatal stabbing that occurred on Monday night, October 26, on Anthony Street.

Incident Location: Coventry Police responded to 12 Anthony Street at approximately 10:15 p.m. following a report of a male stabbed with a sharp-edged weapon in the rear of the residence.
Victim: The victim has been identified as 19-year-old Nicholas Bennett.
Medical Response: Responding officers began CPR at the scene until Coventry Fire/Rescue arrived and took over life-saving measures. Bennett was transported to Kent County Hospital, where he succumbed to his injuries.
Investigation Status: The Coventry Police Department Detectives Division is actively investigating the homicide alongside the Rhode Island Attorney General’s Office and the Office of the State Medical Examiners.
Public Safety: Coventry Police stated there is currently no ongoing threat to the public.