Suffolk County Police Second Squad detectives are investigating a motor vehicle crash that seriously injured a motorcyclist in Cold Spring Harbor this morning.

Jeramy Reiderer was operating a 2017 Yamaha motorcycle westbound on Route 25A, when he lost control of the vehicle, which struck a guardrail near Route 108 at 3:25 a.m.

Reiderer, 30, of Seaford, was airlifted to Stony Brook University Hospital for treatment of serious injuries.

Detectives are asking anyone with information on the crash to contact the Second Squad at 631-854-8252.