Jamaica's (left to right) Asafa Powell, Nesta Carter, Usain Bolt and Michael Frater celebrate their gold medal after the men's 4x100-meter relay final in Beijing in 2008. With Wednesday's announcement, the team will have to return those medals. Shaun Botterill/Getty Images hide caption

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Shaun Botterill/Getty Images

Jamaica's Usain Bolt crosses the finish line to win the gold in the men's 200-meter final during the 2008 Summer Olympics in Beijing. Anja Niedringhaus/AP hide caption

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Anja Niedringhaus/AP

Usain Bolt of Jamaica competes in the men's 100-meter semifinal on Sunday. Cameron Spencer/Getty Images hide caption

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Cameron Spencer/Getty Images

How An Olympics Photographer Captured Usain Bolt's 'Cheeky Grin'

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American sprinter Justin Gatlin celebrates winning the 100m men's race at the IAAF Golden Gala at Stadio Olimpico in Rome Thursday. He defeated world record-holder Usain Bolt in the event. Paolo Bruno/Getty Images hide caption

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Paolo Bruno/Getty Images