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Surveillance video showed the unnamed victim, 45, standing by the edge of the platform as the train approached at 18th street in Chelsea, Manhattan about 1.30pm.
A masked man walked behind him, and after seemingly noticing the oncoming train, turned and pushed the victim in the back and sent him onto the tracks in a vicious New Years Eve attack.
Resource :
https://www.dailymail.co.uk/news/article-14240035/subway-pushed-saved-train-alive.html