Three suspects are in custody following a late-night exchange of gunfire Wednesday in the Fort Greene section of Brooklyn in which an unmarked NYPD vehicle was struck "numerous times" bullets, police said.

The NYPD said one suspect, identified only as a 23-year-old man, was arrested at Beth Israel Hospital, where he had gone for treatment of a gunshot wound to the left leg.

The other two suspects -- one a 21-year-old man, the other 24 -- were located and arrested Thursday morning in Brooklyn, police said.

Police said the three plainclothes officers involved were not struck by gunfire, but said they were taken to New York Methodist Hospital for treatment of tinnitus. Their identities were not released.

Police said two officers and a lieutenant, all from the 88th Precinct, were in an unmarked car when they drove past the suspects near Park Avenue and North Portland Avenue at 10:43 p.m. Wednesday.

The area is adjacent to the elevated Brooklyn-Queens Expressway just south of the old Brooklyn Navy Yard and east of Downtown Brooklyn and Commodore Barry Park.

The NYPD said that, as the officers turned the vehicle to drive back past the scene, they were "fired upon" by at least two of the suspects -- bullets striking their car "numerous times." Police did not detail how many times the car was hit, but said none of the officers was struck by gunfire.

The officers returned fire, police said, then observed the suspects flee the scene on foot.

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Police said a .45-caliber Sar Arms pistol was recovered near the shooting scene.

It was not immediately clear if the wounded suspect, who was listed in stable condition, was struck by a weapon fired by police. Additional details were not available.

Police said the investigation is continuing.