The 16-year-old Chelsea boy who was stabbed in the heart and killed Sunday morning was identified by authorities as Cesar Jeronimo Umana.
Chelsea and State police responded to Umana’s Grove Street home around 1:30 a.n. and found him mortally wounded. He was taken to Whidden Memorial Hospital in Everett where he died.
Police are investigating a possible gang connection.
Anyone with information on the circumstances of his death is urged to call Chelsea Police detectives at 617-466-4826, the Chelsea Police anonymous tip line at 617-466-4880, or the Suffolk County State Police Detective Unit at 617-727-8817.