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Rogue teacher turns 'rap battle' internet sensation

27 March 2014 Last updated at 13:32 GMT

Former English teacher Mark Grist rose to fame when a video of him beating one of his pupils, MC Blizzard, in a rap battle became an internet sensation.

Mark, who is about to go on tour with a show that tells the story of his rise to prominence, spoke to BBC Breakfast about his journey.

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