Allyson Felix completed a hat-trick of women's 200 metres world titles on Friday but fellow American Jeremy Wariner's bid to match her in the men's 400 failed when he lost again to compatriot......
Triple jumper Tatyana Lebedeva leapt to Russia's first gold at the world indoor championships on Saturday. Compatriot Anna Pyatykh snatched a surprise silver in the last round.Defending champion......