Police say a man was found dead with extensive head injuries on the side of a road in Patchogue.

The man, identified as 39-year-old Clarence Wyche, was discovered by a passing driver on Rider Avenue near Edwards Street shortly after 10 p.m. Saturday.

Wyche was pronounced at the scene.

The cause of death is unclear at this time. Police previously said they did not believe the man had been struck by a car.

Suffolk homicide detectives are investigating the case. They are asking anyone with information to call the Homicide Squad at 631-852-6392, or Crime Stoppers at 1-800-220-TIPS.