Police on Long Island are investigating a domestic dispute that ended with a 13-year-old boy killing his mom's ex-boyfriend.
Suffolk County police say it happened at 3:45 a.m. on Monday in Mastic Beach.
Police say that Norman Shields, 48, entered the home of his ex-girlfriend on Selden Road and confronted her and her new boyfriend.
Police say Shields had a gun and started to assault Natasha Bivens, 31.
Her son stabbed Shields, who was then transported to Brookhaven Memorial Hospital Medical Center in East Patchogue. He was dead a short time later.
Police say that Shields and Bivens have a 4-year-old daughter, who was in the home at the time of the incident. The young girl was not hurt, according to police.
No charges had been filed.