A group of four teenagers have been arrested in connection with the “gang assault” on a 65-year-old man this week in New York City, authorities said late Friday. 

The victim was a retired NYPD lieutenant and the teens allegedly turned their anger toward him after he confronted them for harassing a cab driver, the New York Post reported, citing sources. 

The unidentified teens allegedly punched the man in the face and hit him with a backpack before running away. The NYPD said five suspects were involved in the attack. 

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He was knocked down during the assault, and suffered minor injuries to his face and knee during the alleged assault that took place on Manhattan’s Upper East Side near Park Avenue. 

He refused medical attention at the scene, police said. 

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“They were looking for trouble, harassing everyone they saw,” the victim said, according to the Post. “When they started to bother the cab driver, I went over and told them to leave him alone. That’s when one coward hit me from behind with a backpack.”

On Friday night, the NYPD said three 14-year-old boys, and another 13-year-old male, had been arrested. They are all charged with second-degree assault and second-degree gang assault.

One of the suspects was wearing a black T-shirt, black sneakers and black and white shorts; the second was wearing a white T-shirt and black pants; the third was wearing a white T-shirt and gray pants; the fourth was wearing a white T-shirt and gray shorts and the last suspect was wearing a black t-shirt and gray pants, police said. 

The department released photos of the teens, and asked for the public’s help.