SPRINGFIELD, Mass. (WWLP) – Springfield Police have arrested a 15-year-old as the suspect of a shooting Monday afternoon in the area of Acorn and Sycamore Streets. An 18-year-old man was seriously injured in the shooting.

According to Springfield Police Department spokesman Ryan Walsh, at approximately 3:20 p.m., officers were called to the area of Acorn and Sycamore Streets for a ShotSpotter activation. Two homes and three vehicles had been hit by gunfire. A short time later, a man with a gunshot wound was privately escorted to Baystate Medical Center with serious injuries.

Police reviewed video and spoke with witnesses and were able to identify a suspect. Around midnight on Monday night, police arrested the 15-year-old boy at his home on Wilmont Street. The teenager was also one of the individuals that helped the gunshot victim into the hospital.

The Springfield Police Detective Unit and the Hampden District Attorney’s Office is investigating.