Some questions and answers about the Russian doping report

WADA also wants Russian government officials to be denied access to global competitions, including the upcoming Olympics.

The letter, which drew criticism from some including the president of the European Olympic Committee who called the move "premature" and said it "seems to have been an attempt to agree [on] an outcome before any evidence has been presented", also called for Russian athletes to be prohibited from competing in the Games.

The International Olympic Committee says that its executive board will hold a telephone conference Tuesday to consider possible sanctions that would include the 2016 Olympic Games in Rio.

The International Olympic Committee's president, Thomas Bach, will lead a conference call of his 15-member executive board to discuss fallout of the McLaren report. "To find out that Russian athletes have systematically cheated and been supported by those accountable for ensuring they are competing clean is a massive betrayal", he says.

A blanket ban of Russian teams across all 28 Summer Games sports — even in those few not tarnished by Monday's report — has to be an option.

The investigation was conducted by Canadian lawyer Richard McLaren, who noted that his findings met the "standard of beyond a reasonable doubt".

Sir Philip Craven, Bach's counterpart at the IPC, said: "We are truly shocked, appalled and deeply saddened at the extent of the state-sponsored doping programme implemented in Russian Federation".

'Therefore, the International Olympic Committee will not hesitate to take the toughest sanctions available against any individual or organisation implicated'. That program involved dark-of-night switching of dirty samples with clean ones; it prevented Russian athletes from testing positive.

The investigation found that all 11 had been tampered with scratches and marks on the inside of the bottle caps indicating a tool had been used to open them.

That system ran from 2011 until August of 2015, a period of time that includes the London and Sochi Olympics, world championships in track and field and swimming hosted by Russian Federation, and the first eight months of the WADA independent commission investigation. It included the run-up to the London 2012 Olympics, as well as during the athletics World Championships in Moscow and the World University Games in Kazan in 2013 and the Winter Olympics in Sochi a year later. He told reporters in Toronto that Russia's secret service, sports ministry and its anti-doping agency were all involved.

The World Anti-Doping Agency investigator, Richard McLaren, says scratches on the bottles were noted by a trained expert's eye and using a microscope.

Time was of the essence because the Olympics begin August 5, and decisions about Russia's participation in Rio must be made.

"Shamefully, the McLaren Report corroborates the allegations, exposing a modus operandi of serious manipulation of the doping control process in the satellite laboratory set up in Sochi for the 2014 Games; and, the Moscow laboratory since 2011 and after the Sochi Games", WADA president Sir Craig Reedie in a statement.

Mutko, president of the organizing committee for the 2018 World Cup which will be hosted by Russian Federation, has not commented since the release of the McLaren report. Over the weekend, FINA - the global organization that governs worldwide swimming - released a statement criticizing calls for a Russian ban.

U.S. Olympic Committee CEO Scott Blackmun said the report proved a point he'd made earlier this summer.

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