A 16-year-old boy who was stabbed in the chest in Aberdeen over the weekend has died, according to police, who identified the victim Sunday as Thomas Burdsall Jr.

Officers responding to a call found Burdsall about 7:30 p.m. Saturday on the 200 block of Edmund St., He was taken to Harford Memorial Hospital in Havre de Grace, where he was pronounced dead "a short time later," according to Aberdeen Police.

Officers said they are looking for four people — two men and two women — who may have been present during the attack. No motive has been revealed. Anyone with information is asked to call 410-272-2121.