The victim suffered a stab wound to his abdomen.
SPRINGFIELD - Police are investigating the stabbing of an 18-year-old Sunday night.
The man reported at about 10:55 p.m. that he was attacked by someone at the Taco Bell at 456 Sumner Ave., Police Lt. John Bobianski said.
The victim suffered a wound to his abdomen and is being treated at the scene. It is unknown if it is serious, he said.
Police are now tracking three male suspects who were spotted running on Oakland Street and heading toward Belmont Avenue, he said.
Masslive will update this story as more information becomes available.