A pedestrian was struck by a vehicle Monday in South Farmingdale and seriously injured, police said.
The extent of the injuries was not immediately known.
Nassau County police said the accident occurred on Main Street at 12:12 p.m. An aviation unit was dispatched to the scene to transport the victim to Nassau University Medical Center in East Meadow.
Police said the driver remained at the scene.
Police said the crash is under investigation and said details are still emerging.