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A woman is caught on camera at the Toronto Zoo climbing into a tiger's pen to get her hat that flew off her head. Once she climbs back over to a safe area, the tiger that's kept in a second fence stays close to where all the visitors were watching from. The woman then gets into an argument with a man who watched the whole thing go down. Another woman tries to break it up. The zoo told CBC News it's now investigating what happened saying the situation could have been much worse. #InsideEdition