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A neighbor told Eyewitness News the victim was using a leaf blower and doing yard work when he was fatally shot. He was reportedly shot in the head.
The shooting happened near Lime Avenue and East 61st Street before 7:40 p.m.
Police quickly swarmed the area, and a person was seen being taken into custody. It's unclear if that person was a suspect.
AIR7 HD was over the scene and captured several police vehicles in the area as crime-scene tape cordoned off the street.
Further details on the shooting were not immediately available.