Police on Saturday arrested a man after a 23-year-old was set on fire on a New York City subway. New York police then realized they had been looking for him for weeks. Nile Taylor, 49, was arrested not long after the Saturday afternoon incident, according to WABC-TV. Taylor was charged with assault, arson, and reckless engagement. He is also charged with petty larceny and criminal possession of a weapon. While Taylor was in custody, police realized they had been looking for the suspect in a similar incident that took place on Feb. 5, according to the New York Post. Maniac who set NYC straphang…