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Bolt, who won the 100m title on day 10 of the Games in Brazil, once again dominated a 200m Olympic final. He has now won the Olympic sprint double three times, having repeated his exploits in 2008 and 2012. Silver went to Canada's Andre de Grasse, who clocked 20.02, while France's Christophe Lemaitre won bronze in 20.12, edging out Briton Adam Gemili, who was fourth, just 0.003 behind. Bolt, who celebrates his 30th birthday on Sunday, was unhappy with his winning time and added it was unlikely he would compete in the event at the World Championships in London next year. "I said it would be 100m and that's it," he told BBC Sport. "My coac Summary Bolt wins 200m - his eighth Olympic gold medal GB now has 22 gold medals, keeping them second in medal table Golf: Hull starts third round two shots off lead (11:30 BST) Boxing: Joe Joyce in super-heavyweight semi-finals (19:15) Hockey: GB's women in gold medal clash with Netherlands (2