Russian weightlifter Oleg Perepetchenov was stripped of his 2004 Olympic bronze medal on Tuesday after a retest of his sample from the Athens Games returned positive for banned substance clenbuterol.
WADA on Friday was thrust into the spotlight at the Beijing Olympics Kamila Valieva tested positive
'Following AIU charges based on LIMS data, Russian athlete Natalia Antyukh has been banned for the use of a Prohibited Substance/Method. DQ results from 15 July 2012 until 29 June 2013.'
Russian swimmers Vladimir Morozov and Nikita Lobintsev have launched an appeal against the ruling banning them from next month's Rio Olympic Games even though they have never failed a doping test.
The escalating conflict involving the U.S. and Israel with Iran has led to widespread disruption in the world of sports, with events postponed, travel plans thrown into chaos, and athletes seeking asylum.
Kamila Valieva failed a drug test for a banned substance before the Games.
Russia will not boycott the Rio Olympics after being suspended from the International Association of Athletics Federations over a doping scandal, RIA news agency cited Russian Olympic Committee head Alexander Zhukov as saying on Monday.
Russians are facing the likelihood of having to compete under a neutral flag in Paris because of Putin's invasion of Ukraine. The IOC has taken no final decision but said athletes should not be punished for the acts of their governments.
"The Russian Olympic Committee has had its rights fully restored," said Alexander Zhukov, the president of the Russian Olympic Committee, in comments broadcast on state TV.
Steven van de Velde was sentenced to four years in prison in Britain in 2016 following the rape of a 12-year-old girl two years earlier when he was 19.
Ukrainian boxer Oleksandr Usyk urged the International Olympic Committee (IOC) to ban Russia from the Olympic Games
The International Boxing Association (IBA) urged its national federations on Monday to join legal action in Switzerland against what it called the "abusive behaviour" of Olympic organisers.
The IOC seems reluctant to ban the entire Russian team from next month's Olympic Games, despite mounting concern over doping violations, the co-author of the report that led to Russia's ban from track and field events said on Wednesday.
The IOC last month granted provisional recognition to World Boxing in a major step towards the sport's inclusion in the LA Games and Thursday's decision ensured the sport's Olympic presence would continue.
President Vladimir Putin dismissed a senior Russian Olympic Committee official on Thursday because of delays in construction work for the 2014 Winter Olympics in Sochi.
The 24-year-old, who has yet to win a Grand Slam title, was in stunning form as he defeated Russian Karen Khachanov 6-3, 6-1 to become the first German man to win a singles Olympic gold.
Maria Sharapova will be the Russian delegation's flag-bearer at next month's Olympic opening ceremony in London, Russia's tennis chief Shamil Tarpishchev said on Tuesday.
Sumit Nagal was blown away by world number two Daniil Medvedev's thunderous strokes and serves in the singles second round as India's tennis challenge all but ended at the Tokyo Olympics on Monday.
The ruling by the CAS, sport's highest tribunal, will be taken into consideration by the International Olympic Committee (IOC) as it ponders whether to impose a blanket ban on Russia from all sports.
Anastasiya Kapachinskaya, 200 metres gold medallist at the world indoor athletics championships, tested positive for a banned steroid.
India's Manu Bhaker and Yashaswini Singh Deswal failed to make the final. The 19-year-old Bhaker, ranked No. 2, was done in by a technical glitch involving her gun after an impressive start saw her take one of the places in the top eight.
Sania Mirza and Sumit Nagal failed to make the cut for the mixed doubles event due to their low combined ranking of 153.
The World Anti-Doping Agency (WADA) is to investigate Russian doping allegations relating to the 2014 Winter Olympic Games in Sochi, WADA said on Tuesday.
The two boxers had failed gender tests at World Championships in New Delhi last year
IOC hate the idea of a boycott of the biggest money-spinner in world sport.
Ukraine on mission to ban Russia from Paris Olympics
Oleg Perepechyonov has been asked to return his Olympic bronze medal from the 2004 Athens Games after his samples from eight years ago were retested and showed traces of 'a funny substance', the Russian weightlifter said on Wednesday.
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.
Denmark is opposed to Russian athletes participating in the Paris Olympics next year even under a neutral flag
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
Russia has been banned from the 2018 Pyeongchang Winter Olympics after the IOC found evidence of an "unprecedented systematic manipulation" of the anti-doping system that has led to a series of bans for the country's athletes in recent months.
The court said no hearing date had been fixed yet and no further information would be provided for the moment.
As many as 500 athletes from the two countries could compete under a neutral flag, but will not be permitted to win medals.
Thomas Bach has called on Ukraine to drop threats of a boycott of the 2024 Olympics over the participation of Russian and Belarusian athletes.
Denis Oswald, the International Olympic Committee's permanent chair of the disciplinary commission, said Valieva claimed there was a mix-up at a Court of Arbitration for Sport (CAS) hearing into whether she should be allowed to continue competing.
Russian President Vladimir Putin arrived in Beijing on Friday for the 2022 Winter Olympics and a meeting with Chinese President Xi Jinping, bringing with him a deal to increase natural gas supplies to China amid rising tension with the West.
Russian Olympic medallist Alexander Krushelnitsky has denied taking a banned substance in a suspected doping case that has rocked the Pyeongchang Winter Games and could imperil Russia's efforts to regain its full Olympic status.
India's shooters Anjum Moudgil and Tejaswini Sawant failed to make the finals of the women's 50m rifle 3 positions event, settling for the 15th and 33rd position respectively, at the Tokyo Olympics on Saturday.
Russian athletes have been banned from many sports and largely cannot compete in Europe due to the sanctions and competition complications caused by Russia's invasion of Ukraine that began on February 24, 2022.
Russian pole vaulter Yelena Isinbayeva has applied to world athletics governing body IAAF to compete at the Rio Olympics despite Russia's ban, athletics authorities in Moscow on Thursday. "Isinbayeva sent her application on Wednesday," Alla Glushchenko, the spokeswoman for the Russian athletics federation, told AFP.
