guardian:

Athletics starter Alan Bell fired the starter gun for this summer’s 100-metre race. but as Alan - the Youth Sport Trust’s international development co-ordinator - reveals here, he already knew Olympic champion Usain Bolt well. Here, he discusses disqualifying the Jamaican runner at the 2011 World Athletics championships in South Korea and seeing Bolt setting a 100 metres world record of 9.58 seconds at the 2009 World Athletics championships in Berlin