BBC Sport takes a look back at one of the most memorable events in British sporting history – the London 2012 Olympics. This programme focuses on the second half of the Games – a hectic eight days in which the British gold rush continued in east London. Cyclist Chris Hoy claims a second gold medal of the Games in the keirin – taking his overall Olympic gold haul to six. Jamaican sprint icon Usain Bolt also celebrates a multiple medal moment – claiming his second and third gold medals in the 200m and the 4x100m.