Nassau County police are investigating a shooting in Roosevelt early Sunday morning that injured two men.

Police said a ShotSpotter alert went off at Pennsylvania and West Clinton avenues at 2:13 a.m. While police were at the scene investigating, officers learned that a hospital was treating a gunshot victim. Police said they determined that a 23-year-old man from Central Islip was shot in the arm at the scene. His injuries were described as treatable and not life threatening, police said.

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Shortly thereafter, another hospital notified police about a potential second victim from the same shooting. In that case, a 22-year-old man from Hempstead had suffered minor abrasions, possibly from gunshot fragments, police said.

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Police said both victims refused to cooperate with the investigation. Detectives are asking anyone with information about the shooting to call Crime Stoppers at 800-220-TIPS. All callers will remain anonymous.