The Kremlin said on Thursday it was unclear what the World Anti-Doping Agency (WADA) was basing its allegations against Russia on in its latest report, which accused Russian athletes of still failing drug tests and of obstructing doping control officers. "These (allegations) need to be thoroughly analyzed by our sport experts," Kremlin spokesman Dmitry Peskov told a conference call with reporters. "There have been allegations (in the past) where WADA has based its results on concrete tests," he said. More...