Police have revealed more about the brutal stabbing and burning attack that killed an 18-year-old man on Wednesday.

As CrimeOnline previously reported, Winston Ortiz was stabbed multiple times and set on fire following an argument with a suspect at a Bronx apartment building Wednesday afternoon.

A witness, who reportedly lives in the building, told police that she witnessed the suspect pour a liquid, believed to be an accelerant, on the victim and set him on fire before fleeing, according to the New York Post.

The witness reportedly told police that she hit the suspect, who then spoke to her: “You don’t know what he did,” the suspect reportedly said.

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The sources told the New York Post that Ortiz was stabbed once in the chest and twice in the back. As CrimeOnline previously reported, emergency responders found him barely conscious. Ortiz was taken to Harlem Hospital where he was pronounced dead.

Police have not identified the suspect or released a physical description.

According to the New York Post, neighbors said that Ortiz is from a good family had never gotten into a trouble. He recently graduated from high school, they said.

CrimeOnline will provide further updates when more information is available.

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[Feature image: Winston Ortiz/GoFundMe]