Usain Bolt, who is seen as the greatest sprinter in history, has swept up his ninth Olympic gold medal.
The Jamaican runner is the first athlete to win the 100 metres, 200 metres and 4×100-metre relay at three consecutive Olympic Games.
Thousands of Bolt’s adoring fans in Jamaica cheered his victory.
Al Jazeera’s David Mercer joined some of them to watch the race.
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