Usain Bolt of Jamaica (C) crosses the line first to win a third gold medal this time in the Men’s 4x100 metres final during Day Nine of the 14th IAAF World Athletics Championships in Moscow. Photograph:  Jamie Squire/Getty Images

Usain Bolt and Shelly-Ann Fraser Pryce secured their third gold medals of the Moscow world championships when the two 100m and 200m sprint champions (...)

Adam Gemili of Great Britain (centre) competes in the Men’s 200 metres semi-finals at the IAAF World Athletics Championships in  Moscow. Photograph: Julian Finney/Getty Images

Adam Gemili ran the fastest 200 metres by a Briton for 19 years as he broke the 20-second barrier to roar into the final at the World Championships.Th(...)