A woman is reportedly in critical condition after a man allegedly set her on fire in the middle of an argument on a busy Chicago train Monday. According to Chicago's WGN-TV , a 26-year-old woman and a man believed to be about 45 years old got into a heated argument that became physical around 9:30 PM Monday. The outlet reports the man poured some sort of liquid onto the woman and ignited it, setting her on fire. The man reportedly fled the scene when the train came to a stop in the city's Loop -