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An off-duty NYPD officer died after he was seriously injured in a car crash on Long Island, authorities and law enforcement sources said Monday.

Officer Kevin Lui, 43, was heading east on Northern State Parkway – past exit 46 in the town of Smithtown – around 2:15 a.m. Friday when he veered off the roadway and smashed into a tree on the left shoulder, according to New York State Police and the sources.

The collision left Lui, a 17-year-veteran who was assigned to Upper Manhattan’s 23rd Precinct, with a broken leg and severe damage to his internal organs, according to the sources.


  Officer Kevin Lui crashed his car early Friday on the Northern State Parkway in Commack, Suffolk County. Newsday via Getty Images Officer Kevin Lui crashed his car early Friday on the Northern State Parkway in Commack, Suffolk County. Newsday via Getty Images

He was rushed to Stony Brook University Hospital, where he died on Sunday just after 7 p.m., authorities and sources said.

It’s unclear what caused Lui’s car to veer off the road. The investigation into the crash was ongoing Monday, authorities said.

The NYPD referred a request for comment about Lui to the New York State Police, which is handling the investigation.

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