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Russia has been provisionally suspended from all international athletics competitions by the IAAF.
The move, which comes after last week's revelations by the World Anti-Doping Agency, was passed almost unanimously in a vote of IAAF Council members last night.
Of 23 eligible council members, 22 voted in favour of the sanction with one voting against. The member for Russia was ineligible to vote.
The provisional suspension is almost certain to be made permanent by a disciplinary panel following a formal process which is likely to be launched next week.
Under the terms of the suspension, no Russian athlete or support staff will be entitled to participate in international events including the Olympic Games - although the chances of Russia being excluded from Rio next year look slim.
International Olympic Committee president Thomas Bach has already indicated that he expects Russia to compete in Brazil, and Russian officials will be determined to work to fulfil the criteria required to have the suspension lifted before next summer.