Would you have take the Post Subway photo?

The instinct of the photographer who took the photo of a man, moments before he was crushed to death by a train is headline across the media today.As a photo-journalist what would have I done in such a situation? Not sure if I would have first took the photo or tried to save him? Something to think about for the day. Hope you will share your thoughts with me. Read the reaction from Pulitzer-winning photographers here