The incident was reported Monday at 4:30 p.m. at a dealership on Broadway.
Police say the 22-year-old was stabbed multiple times in the neck by the 53-year-old employee after the fight spilled out onto the sidewalk.
The victim, later identified as Brandon Almonte, was taken to the hospital where he was pronounced dead.
The 53-year-old was taken into custody and a knife was recovered at the scene. He was taken to a hospital for observation.
Charges against the 53-year-old are pending.
The investigation is ongoing.
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