WPIX-TV, Pix-11 in New York, NY, 12/10/17:
Teen stabbed by woman inside Penn Station: police
An 18-year-old man was hospitalized after he was stabbed inside Penn Station Sunday evening.
Before you start worrying about it being "inside Penn Station", the story continues that it was in the subway near the 34th-Penn Station stop. So it wasn't in the train station. Story continues here.