The deadly dispute happened outside a deli on Featherbed Lane and Inwood Avenue in the Morris Heights section of the Bronx.
The victim was identified as 19-year-old Dominic Aquliera, who lived across the street.
19-year-old man fatally stabbed apparently over a parking spot
"To be honest he was a beautiful person," his brother told Eyewitness News reporter Lindsay Tuchman.
The brother says they ran an auto body shop together.
"The best brother ever. I'm not saying that because he passed away. He always got my back," he said.
According to police, the confrontation started as a verbal argument Thursday morning between the victim and a neighbor over where a car was parked.
The dispute escalated, and someone pulled out a knife. Aguliera was stabbed in the chest.
Wendy Reinoso says the teen then ran into her store looking for help.
"I kept yelling and I said, 'he's going to die, he's going to die,' Reinoso said. "It's sad to see it, a young person lose their life like that."
She described the horrible moments as she watched the teen die.
"Very dramatic to see his life like - you basically, like feel the person leaving, you know. So his face is in my head. I was on the door looking, talking to them and it's devastating," Reinoso said.
Aquilera was taken to Lincoln Hospital where he was pronounced dead.
Police said the suspect drove away in a black sedan.
Neighbors say simple arguments here too often turn violent.
"Especially these young kids, they don't know how to just have any self-control. They will just take it to another level and it don't have to be a level like that. It's just all about self-control and some people don't have that," Juan Martinez said.
Eyewitness News has learned surveillance video from the deli shows the entire scene unfolding.
Police were reviewing the footage as this investigation continues.
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