Elgin County OPP are investigating a serious single-vehicle collision involving a motorcycle that left the rider with life-threatening injuries.

The crash occurred around 3:50 p.m. on Wednesday on Richmond Road in Bayham, Ont. Emergency services responded quickly, and the motorcyclist was taken to the hospital.

The road was closed for several hours during the investigation but has since been reopened. Police are asking anyone with information to contact them at 1-888-310-1122 or anonymously through Crime Stoppers at 1-800-222-8477.