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Taekwondo champion smashes 1,000 tiles in 84 seconds

29 March 2014 Last updated at 08:17 GMT

Lisa Dennis, the ITF taekwondo world champion, has set a a new world record by smashing 1,000 roof tiles in 84 seconds with her bare hands.

The BBC's Mike Bushell went to Orpington where she had gathered her taekwondo students for moral support as she attempted the challenge.