A street robbery and attack in Central Islip ended Friday with one man being airlifted to Stony Brook University Hospital after being "struck in the arm with an unknown type of knife," police said.

The attack occurred outside a home on Oakland Avenue at 2:05 a.m., Suffolk County police said. Police said they are searching for "one or more" suspects.

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Police said a man was being dropped at his house by a friend when they were approached as he exited the vehicle on Oakland Avenue. That man was attacked and robbed, police said, by suspects who stole his cellphone and wallet, containing cash.

The driver, identified only as a 22-year-old man, was then attacked through the car window -- and, police said that while defending himself he was struck in the arm by some type of knife. He was later airlifted. His condition is unknown.

Police said the passenger was also hospitalized, transported to Southside Hospital in Bay Shore for treatment of non-life-threatening injuries to both his face and arm. His condition also was not known.

"The suspects fled in an unknown vehicle," police said in a statement.

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Anyone with information regarding the incident is being asked to call Third Squad detectives at 631-854-8352.