International Olympic Committee (IOC) president Thomas Bach, left, and IOC director general Christophe De Keeper arrive for the opening of an Olympic summit on June 21 in Lausanne, Switzerland. The International Association of Athletics Federations (IAAF) upheld a ban on Russian athletes, first imposed in November, following revelations of state-sponsored doping and massive corruption riddling the nation's track and field programme. Russia has filed an appeal against the ban.
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