Jamaica's Usain Bolt added the 200m crown to his Olympic 100m title in an incredible new world record time of 19.30 seconds in Beijing. The 21-year-old, who won the 100m title in a world record of 9.69 secs, powered past the field to cross the line and smash Michael Johnson's mark of 19.32.

American defending champion Shawn Crawford took silver with team-mate Walter Dix getting the bronze. reat Britain's Christian Malcolm clocked 20.40 secs for fifth place. While Bolt's win was never in doubt the minor medals were shuffled twice, first when American Wallace Spearmon was disqualified for running out of his lane and denied bronze.