Tatyana Chernova and Jessica Ennis Chernova ban 'needs long, hard look'

Jessica Ennis-Hill's coach Toni Minichiello wants Russian heptathlete Tatyana Chernova's drugs ban to be re-examined.

Rita Jeptoo Kenyan Jeptoo banned for doping

Kenya's Rita Jeptoo, winner of the Boston and Chicago marathons, is banned for two years after failing a drugs test.

Sergey Bubka was world champion from 1983 to 1997 Bubka to rival Coe for IAAF presidency

Former pole vaulter Sergey Bubka will challenge fellow Olympic champion Sebastian Coe for the IAAF presidency.

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