VALLEY STREAM - Police are investigating a sexual assault at Valley Stream State Park today.

Authorities say a 60-year-old female victim was walking on a hiking path near the park entrance from Hendrickson Avenue when she was accosted at about 11:10 a.m.

The suspect is described as a black male who is between 29-35 years old with a thin build. Authorities say he is 5 feet 8 inches or 5 feet 9 inches and has short hair with braids on the side.

Police, K9 units and helicopters canvassed the area in search of the suspect, but did not find him.

Anyone with information is urged to call police at 631-321-3700.