BAY SHORE, N.Y. (AP) — Police say a 19-year-old Long Island man has been arrested in the fatal stabbing of his younger brother.

Suffolk County police responded to a 911 call at around 7 p.m. Friday in Bay Shore. They found 17-year-old Brian Castillo with a stab wound to the neck. He was pronounced dead at the scene.

The victim's brother, Robert Rivera, was arrested on a charge of second-degree murder. It's not clear if Rivera has an attorney who can speak for him.