A Montecito Heights man died Tuesday night after he was stabbed in the chest by a neighbor during a dispute, police said. The suspect was apprehended after the fatal stabbing that took place at about 10 p.m. in the 4500 block of Griffin Avenue, said LAPD spokesman Gregory Baek. The victim, a 26-year-old male, was pronounced dead at a hospital. ABC7 described the suspect as a 60-year-old neighbor. Residents said police had blocked off Griffin Avenue during the incident.