It happened next to a playground near the intersection of Jackson Avenue and East 156th Street in Longwood around 4:15 p.m. Friday.
The victim was rushed to Lincoln hospital in critical condition, where he would later be pronounced dead.
Nine-millimeter shell casings litter the streets.
"I hear when the guy was shooting, you know -- it was five...gunshots," saod construction worker Edgar Marcial.
Witnesses say the victim was shot and killed by two young men on a black and white motorized scooter.
No words were exchanged before the gunfire.
Police say the victim was a NYCHA employee. It is unclear if he was on or off duty at the time of the shooting.
The investigation is ongoing.
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