Bolt fans celebrate in London
Cannot play media. Sorry, this media is not available in your territory.
Usain Bolt has defended his men's 100m title in style, winning the final in an Olympic record time of 9.63 seconds.
Brixton in south London has a huge Jamaican community and some fans watched inside a barber shop as the the action unfolded.
The crowds also watched the drama on a big screen in Hyde Park in central London.