Brick by Brick: Usain Bolt wins gold in 100m

Brick by Brick: Running: Usain Bolt wins gold in 100m final. Usain Bolt seals his status as the world's fastest man by winning the 100m gold in the most keenly-anticipated event of the tournament. Bolt, 25, crossed the line in 9.63 seconds. Seven out of eight competitors finished in under 10sec, with Bolt's Jamaican team-mate Yohan Blake taking silver and American Justin Gatlin winning bronze...