It happened on Sunday, Aug. 9 at about 10:45 a.m. on the parkway near Old Britton Road in Hempstead.
The vehicle was traveling westbound went it left the roadway onto Old Britton Road and struck the pickup truck and a parked vehicle, state police said.
There were four occupants in the vehicle and two occupants in the pickup truck, according to police. The parked vehicle was unattended.
Of the people in the vehicle, two adults and one infant were injured and the other occupant was seriously injured and all were taken to area hospitals. The two occupants in the pickup truck suffered minor injuries.
The cause of this collision is ongoing and the State Police is asking for anyone with information to call 631-756-3300.
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