Usain Bolt beats Justin Gatlin to 200m gold at World Chamionships

Usain Bolt defends his World Championship 200m title with victory over American Justin Gatlin in Beijing.

Jamaican Bolt, 29, followed up his 100m victory over Gatlin to win in 19.56 seconds, completing the sprint double for the second consecutive championships.

South Africa's Anaso Jobodwana won the bronze medal, with Britain's Zharnel Hughes fifth.