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Video - Kanter's celebratory canter
World champion Gerd Kanter won the Olympic men's discus by exactly a metre from Piotr Malachowski.
The Estonian threw 68.82 metres, with Poland's Malachowski taking silver with an effort of 67.82m.
Lithuania's defending double Olympic champion Virgilijus Alekna claimed bronze with 67.79m.
Robert Fazekas of Hungary, who was stripped of the gold medal at the 2004 Athens Games for a doping violation, finished eighth.