The Homicide Squad reports the details of a Fatal Vehicular Accident that occurred on Sunday, January 8, 2023, at 3:37 am in Old Brookville.According to Detectives, a 2008 Nissan was traveling westbound on Chicken Valley Road when the 16-year-old female operator lost control of the vehicle and struck a tree near the intersection of Brookville Lane. The operator of the vehicle was pronounced at the scene by a Nassau County Police Medic. The three other male occupants, ages 14, 15 and 16 were transported to local hospitals for treatment. The 16-year-old male occupant is currently in critical condition. The male occupants ages 14 and 15 are both in stable condition. The investigation is ongoing.