Sonny Alloway, dressed in red, at first tried to wake the woman as she slept on the train. Then, once it had come to a stop, he grabbed her and carried her off onto the platform
In the video, the woman - whose age and name have not been revealed - appeared to be trying to sleep when he first starting speaking to her.
It is unclear if she is homeless. She was sitting on the subway with a scarf covering her face, trying to ignore him, as he spoke to her.
In one sudden motion once the train had stopped, Alloway sprang from his seat, picked her up and carried her slight frame off the train.
She kicked and struggled against him.
Once on the platform, he let her go and sat on a bench as if nothing had happened, before making his way out of the station.