A Wada report on the anti-doping methods employed at Rio 2016 highlights "serious failings" at this summer's Olympic Games.
Three weightlifters from Kazakhstan are stripped of Olympic gold medals won at London 2012 after new tests found them guilty of doping.
John Delaney resigns from the Olympic Council of Ireland, whose former president Pat Hickey faces charges over an alleged ticket scam.
The second European Games will be held in Minsk after 43 Olympic committees voted in favour of the Belarusian capital.
Audio & Video
BBC Sport takes a look back at some of the most spectacular of Great Britain's medal-winning performances in Rio.
At a crucial time for the anti-doping movement, the ramifications of the hacking of medical records are widespread, writes BBC sports editor Dan Roan.
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