Usain Bolt and Justin Gatlin win World Championships 100m heats

Defending champion Usain Bolt of Jamaica and American Justin Gatlin, fastest man in the world this year, win their 100m heats at the World Championships in Beijing to make it through to Sunday's semi-final.

Coverage of the men's 100m continues on BBC Two and online on Sunday with the final taking place at 14:15 BST.

Available to UK users only.