21.52: Usain Bolt tells the BBC: 'It's just wonderful. It felt great and I'm so happy to be here again. I had a bad start but it's not the best part of my race. 'It's always wonderful competing in London, the energy. It was a brilliant experience as always and I'm just happy to be here.' 21.51: BOLT WINS! He puffs out his cheeks, adjusts his necklace and gets off to a poor start by his standards. He finishes with a time of 9.85 after breezing through the final 50m.