An unnamed German biathlete has tested positive for a stimulant at the Sochi Winter Olympics, making it the first doping case at the Games in Russia, a German ski federation official said on Friday.
Although the change will have no immediate effect on current bans on the Russian federations for athletics, weightlifting and paralympics, it opens the door for their return, following the reinstatement of the Russian Olympic Committee after the country was banned from this year's Winter Games in South Korea.
Russian whistleblower Yulia Stepanova will not appeal to the Court of Arbitration for Sport over her ban on running as an independent athlete at the Rio Olympics, she said on Friday.
Five nations, including Russia, whose doping records have risked weightlifting's place on the Olympic schedule have been limited to just two athletes for the 2020 Tokyo Games by the sport's governing body, according to a document seen by Reuters.
Here is the current state of play among the 28 Olympic sports.
Spectacular IMAGES from the closing ceremony of the 2018 Winter Olympics held in Pyeongchang, South Korea
Norwegian cross-country skier Therese Johaug says she is 'devasted' after her country's skiing federation confirmed the 28-year-old had returned a positive test for a banned substance found in sunburn cream on Thursday.
Summary of sports events and persons who made news on Friday
Here are some reactions from the world of sport on of widespread state-sponsored doping by Russian athletes at the 2014 Sochi Olympics.
India completed its return to the Olympic family on Sunday when its flag was hoisted at the Sochi Games, five days after the International Olympic Committee lifted its suspension on the Southeast Asian nation.
Olympic officials have showered praise on South Korea's Winter Games organisers for staging a successful event against the odds, but they have also left it with a warning: don't leave any white elephants behind.
Brazil's athletes were not subject to dope tests for almost a month before the Rio Olympics, the country's sports ministry has said while refuting allegations it was a political decision to ensure the Games were not plunged further into crisis.
India's Shiva Keshavan finished a disappointing 37th, out of 39 participants, in the men's singles luge competition at the Sochi Winter Olympics.
Summary of sports events and persons who made news on Wednesday
Summary of sports events and persons who made news on Tuesday
A summary of sports events and sports persons, who made news on Wednesday
A summary of sports events and sports persons, who made news on Thursday.
Australia will not apologise to China after Mack Horton called his rival and fellow Olympic swimming gold medallist Sun Yang a ''drug cheat'', delegation head Kitty Chiller said on Tuesday.
Summary of sports events and persons who made news on Saturday
Summary of sports events and persons who made news on Saturday
A summary of sports events and persons who made news on Friday
The committee also handed out a 90-day suspension to FIFA Secretary-General Jerome Valcke, who had already been put on leave by the football body, and banned former FIFA Vice-President Chung Mong-joon for six years and fined him 100,000 Swiss francs (67,021).
A summary of sports events and sports persons, who made news on Frisday.
