Suffolk County Police Fifth Squad detectives are investigating a motor vehicle crash that killed the operator of a quad in Ronkonkoma last night.

A woman was driving a 2017 Chevrolet Cruz westbound on Marconi Avenue, when the vehicle was struck at the intersection of Lakeland Avenue by a northbound Honda 300EX quad, at approximately 8 p.m.

The rider, 21, of Bohemia, was transported by Lakeland Fire Department to Long Island Community Hospital, where he was pronounced dead. His brother, 19, of Bohemia, who had been operating a Honda 400EX quad to the left of his brother at the time of the crash, was able to avoid collision and was not injured.

The driver of the car, and her passenger were not injured.

All three vehicles were impounded. Detectives are asking anyone with information on the crash to contact the Fifth Squad at 631-854-8552.