If the IAAF allowes "special clearance" for any Russian track and field athletes, they will compete under the Russian flag, not under the Olympic or neutral one, he said.
However, the Olympic summit supports the ruling by the IAAF on the disqualification of Russian athletes on doping charges, the IOC president said.
The International Olympic Committee called on WADA to hold a global anti-doping conference in 2017 to fully review the existing system.
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