Olympics decathlon: Ashton Eaton wins gold for United States
Double Olympic champion Daley Thompson discusses Ashton Eaton's decathlon gold medal at London 2012.
Eaton held a 151-point lead after nine events and the 24-year-old finished seven seconds ahead of United States team-mate and world champion Trey Hardee in the closing 1,500 metres.
Cuba's Leonel Suarez produced a season's best of 8,523 to claim bronze.
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