It happened around 9 p.m. Saturday, Oct. 12, in Central Islip.
An 86-year-old woman was walking on the westbound shoulder of the roadway on West Suffolk Avenue when she was struck by a westbound motor vehicle, according to Suffolk County Police.
The vehicle, believed to be a gold-colored sedan, continued traveling westbound without stopping.
The woman, a resident of Central Islip, was transported to South Shore University Hospital in Bay Shore for treatment of serious injuries.
Anyone with information on the crash is asked to call the Third Squad at 631-854-8352.
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