The International Association of Athletics Federations (IAAF) has been rocked by a World Anti-Doping Agency report alleging that Russia should be banned from athletics for operating a state-sponsored doping programme that is believed to have sabotaged the London 2012 Olympic Games.
But Seb Coe, who has just taken over as the IAAF president after serving seven years as its vice president, defended his record, insisting that he knew nothing of the scandal before this week's report.
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