Suffolk County Police Fourth Squad detectives are investigating a motorcycle crash that killed a man in Commack last night.

A man was riding a 2020 Honda Excelsior motorcycle northbound on Harned Road, west of Florida Avenue, when his vehicle crashed at approximately 7:20 p.m.

The victim, 63, of Commack, was pronounced dead at the scene.

The vehicle was impounded for a safety check. Detectives are asking anyone who may have witnessed the crash to contact the Fourth Squad at 631-854-8452.