The loss ends his perfect triple treble of Games' sprint victories.  

The International Olympic Committee (IOC) said Carter had taken the banned stimulant methylhexaneamine resulting in Jamaica’s 4x100 metres relay team having to hand back their gold medals.

Bolt had won an a treble of consecutive golds in the 100m, 200m and 4x100 relay in three straight Olympics.

Bolt’s team set a then world record in the race.

Trinidad and Tobago will be promoted to gold.

Japan will be promoted to silver and Brazil bronze.