A person of interest was taken into custody on Sunday afternoon after a woman was set on fire and killed that same morning on a New York City subway train. The incident is being investigated as a homicide. An unidentified woman was believed to be asleep on a stationary F train at the Coney Island-Stillwell Avenue station at about 7:30 a.m. on Sunday "when an unknown male individual approached and lit the victim on fire," police said. #news #nyc #newyork #subway