TheCable

Usain Bolt secured his 11th World Championships gold medal as Jamaica won the 4x100m relay in Beijing.

Bolt, who anchored his quartet to a world-leading time of 37.36 seconds, has now won his third gold of the championships after victories in the 100m and 200m.

The USA finished second but were disqualified after a faulty final changeover. China were thus promoted to silver and Canada bronze.

The Jamaicans completed a sweep of the sprint relays with the women, anchored by 100m champion Shelly-Ann Fraser-Pryce, also winning.