A 25-year-old motorcyclist was seriously injured during a crash Tuesday night in Mastic.

Police say the motorcyclist was traveling southbound on Poospatuck Lane when he hit a vehicle as it turned left on Shinnecock Avenue around 6:15 p.m.

The Center Moriches resident was rushed to Stony Brook University Hospital. The driver of the vehicle was uninjured.

Both the vehicle and the motorcycle were impounded for safety checks. Police urge anyone with additional information about the crash to call 631-852-8752.