Jamaica have won the men's 4x100m relay at the World Athletics Championships with a time of 37.36 seconds.
USA came second with a time of 37.66 seconds and Great Britain came third in 37.80 seconds, but were later disqualified for their second changeover.
The Americans led going into the final straight, but world and Olympic champion Usain Bolt stormed past Justin Gatlin to secure the gold medal for Jamaica.
The result sees Bolt collect his third gold medal of the championships and his eighth career world title.
