Usain Bolt brought the track action at London 2012 to a fittingly brilliant close tonight, anchoring the Jamaican 4x100m relay team to gold in a new world record.

Britain’s Mo Farah tonight won his second gold medal of London 2012 with a thrilling victory in the 5,000 metres on the final night of athletics action.

Alistair Cragg has missed out on a place in the final of the 5,000 metres.