A Huntington man suffered serious leg and internal injuries when the unregistered dirt bike he was riding on the street crashed into the rear of a parked vehicle late Wednesday in Greenlawn, Suffolk County police said.

Police said the incident occurred on Darrow Lane at 11:06 p.m.

The rider, identified as Joseph Fraumeni Jr., 22, was transported via Suffolk police medevac helicopter to Stony Brook University Hospital. His condition was not immediately known.

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Police said Fraumeni was riding the Kawasaki KX100 dirt bike illegally and without a headlight when he crashed into the vehicle on westbound Darrow Lane. He has not been charged, but police said investigators impounded the bike for a safety check and said the investigation into the crash is continuing.

Police are asking anyone with information to call the Second Squad at 631-854-8252.