Police arrested a man they said set a woman on fire while she appeared to be asleep on a New York City subway train on Sunday morning, killing her.

New York City police say they have taken into custody a person of interest in the death of a woman who may have fallen asleep on a stationary subway train before being lit on fire by a man she didn’t know.

A suspect is in custody after a woman wasset on fire and died on the New York subway:: Jessica Tisch, Police Commissioner, New York City "Initially, we intended to use this press conference to ask for the public's help in identifying and locating someone who we believe carried out one of the most depraved crimes one person could possibly commit against another human being.