Police are searching for a suspect after a woman was set on fire and burned to death on a subway train in Brooklyn, New York, on Sunday in a horrifying and disturbing crime.

The New York City Police Department (NYPD) said it happened at the Stillwell Avenue Subway station in Coney Island at about 7:30 a.m.

Police said the woman was sleeping on a stationary “F” train.

That’s when police said an unknown man approached the woman and lit her on fire before leaving the subway car.

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EMS pronounced the woman dead at the scene.

Horrifying video posted online appears to show the woman standing in the train while engulfed in flames. A man, who matches the description of the suspect, is seen sitting on a bench just outside the train, watching as the woman burns. 

Police are searching for a man described as 5’6 tall, 150 pounds, and about 25 to 30 years old.

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The suspect was last seen wearing a gray hooded sweatshirt, blue jeans, a dark beanie with a red band and brown boots, police said.

NYPD Crime Stoppers is offering a reward of up to $10,000 for information regarding the incident.

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Police encourage anyone with information about the incident to call the NYPD’s Crime Stoppers Hotline at 1-800-577-TIPS (8477) or, for Spanish, 1-888-57-PISTA (74782).

Tips can also be submitted by going to crimestoppers.nypdonline.org.