It happened just before 2:30 a.m. Saturday, May 11 in West Islip.
The driver of a 2023 Infiniti Q50 was traveling westbound on Union Boulevard, just east of Route 231, when the vehicle lost control and side-swiped a westbound 2020 Hyandai Sonata causing both vehicles to crash, Suffolk County Police said.
A female passenger in the Infiniti was transported to Good Samaritan University Hospital in West Islip where she pronounced dead a short time later. Her identity has not yet been released.
Another female passenger in the Infiniti was transported to a hospital with serious injuries.
The driver of the Infiniti and two other passengers were treated for non-life-threatening injuries.
The driver and passenger of the Hyandai were not injured.
Anyone with information on the crash is asked to call the Third Squad at 631-854-8352.
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