Mo Farah

The Somali-born runner, Mo Farah, has become one of the heroes of the London 2012 Olympics after winning Gold in the 5,000 and 10,000 metres for his adopted country.As Farah leads a parade of British athletes through London, Witness speaks to Alan Watkinson, the school sports teacher who transformed Farah's life.(Image: Mo Farah. Credit: Associated Press)