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12. Rob Ford denies there is a crack video

May 26, 2013: "There is no video, so that's all I can say. You can't comment on something that doesn't exist." - Rob Ford denies a video exists after Gawker claims there is one of him smoking crack up for sale.

Rob Ford: A chronology of controversies

Toronto Mayor Rob Ford has been embroiled in a series of controversies since before he was elected to the city's top job in October 2010. Here are some of the more notable moments that made headlines. (The Canadian Press/Yahoo Canada News/CBC)