A report in a French newspaper earlier this week said leading tennis and soccer players were part of an investigation named Operation Puerto.
India sprinter Dutee Chand has tested positive for prohibited anabolic steroids during an out-of-competition testing and has been provisionally suspended.
Tainted wrestler Narsingh Yadav was exonerated of doping charges by the National Anti-Doping Agency panel, probing the positive tests on his urine samples on Monday. It ruled "there is no negligence on the athlete's part and he is a victim of sabotage".
At its board meeting in Dubai last week, the International Cricket Council (ICC) dismissed the BCCI's request to sever ties with countries from where terrorism emanates, though the Indian Board did not make a specific reference to Pakistan.
Claiming to have accessed WADA's database, Fancy Bears' hack team claimed to have leaked dozens of files allegedly relating to United States athletes on the internet.
Russian steeplechaser Yulia Zaripova has been banned for two and a half years for doping offences, the Russian anti-doping agency RUSADA said (www.rusada.ru) on Friday.
The International Cricket Council (ICC) is confident India's cricket authorities will eventually comply with the World Anti-Doping Agency's "whereabouts" rule, its chief executive Haroon Lorgat has said.
The British Olympic Association (BOA) risks sanctions if its lifetime Olympic ban for drug offenders contravenes the World Anti-Doping Agency code, WADA president John Fahey said on Thursday.
Sri Lanka's Kusal Perera faces a four-year ban after the country's sports minister said the wicketkeeper-batsman's 'B' sample has also tested positive for a prohibited substance.
Karol Beck of Slovakia tested positive for the anabolic agent clenbuterol last September during Slovakia's Davis Cup World Group semi-final against Argentina.
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.
A successful Olympic track cyclist, O'Grady won a madison gold at the 2004 Athens Games, following a team pursuit silver at the 1992 Barcelona Games and a pair of bronzes at Atlanta in 1996.
Russians, Belarusians to participate at Paris Olympics as neutrals
Pakistan fast bowler Shoaib Akhtar and wicket-keeper Kamran Akmal were some of the first players to be taken for random dope testing ahead of the World Cup.
National Anti-Doping Agency chief Navin Agarwal confirmed the former India captain was tested by NADA officials in March but declined to elaborate further.
Build-up hit by pull-outs and dope flunks, India still hopeful of good show in Asian Athletics Championships from Wednesday
The IOC said all four -- Victoria Valyukevich, a triple jumper who was eighth in the women's competition, hammer throwers Gulfiya Khanafeeva and Mariia Bespalova, and weightlifter Khadzhimurat Akkaev, who did not compete due to a back injury, had tested positive for anabolic steroid turinabol.
Javelin thrower Neeraj Chopra's obsessive pursuit of excellence and a new-found sprint sensation in Hima Das gave Indian athletics audacious Olympic hopes but familiar dope shame kept things in perspective in an eventful 2018.
Images from the US Open men's singles second round matches, at Flushing Meadows, New York, on Thursday.
The 23-year-old was stripped of her 1,500 metres gold and 5,000 metres bronze won in Pusan, South Korea, after testing positive for a metabolite of the banned steroid nandrolone
'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.'
Two players from each team were chosen randomly in 15 of the 51 Cup games and from two warm-up matches.
North Korean shooters snub South Koreans on podium
"Simona Halep, a 31-year-old Romanian tennis player, has been provisionally suspended under Article 7.12.1 of the 2022 Tennis Anti-Doping Programme (TADP)," the body said in a statement.
Former world number one Martina Hingis, who retired from tennis in November after testing positive for cocaine, was banned for two years on Friday after an independent tribunal confirmed the doping offence. The International Tennis Federation (ITF) said in a statement that the 27-year-old Swiss would also forfeit the ranking points resulting from last year's Wimbledon championships and $129,481 in prize money.
International Cricket Council has come out with its Anti-Doping Code to be effective from August 1 with modified "whereabouts" requirements after prolonged negotiations mainly due to BCCI's objection to the original clause stipulated by the WADA.
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
The center at the Jawaharlal Nehru stadium took a significant step towards becoming only the sixth IOC-accredited laboratory in the Asia-Pacific region.
The panel will recommend if they are to be penalised for testing positive for the banned steroid nandrolone.
The Indian discus thrower apparently tested positive for a banned steroid in an out-of-competition test during training in Muscat.
Legendary athlete P T Usha on Wednesday batted for bringing all competitions under National Anti-Doping Agency (NADA) and sought more focus on the field of sports medicine and science to help players recover from injuries.
The Court of Arbitration for Sport ruled in favour of USA Track & Field regarding 13 positive US dope tests after the US body refused to name the athletes who failed the tests.
Richardson was banned last year for a month for testing positive for cannabis
A low-down on the eight runners -- four men and four women -- who finished second in their qualifying heats to make the Olympic cut.
Usain Bolt returns to the site of his first global triumph this week for a world championships showdown with a convicted dope cheat that has ramifications for athletics beyond just establishing who is the fastest man in the world.
Kamila Valieva is one of the youngest Olympic athletes to test positive for a banned substance
Australian wrestler Vinod Kumar failed a doping test during an Olympic qualification event in Algeria in April and is set to be dropped from the team for the Rio Games.
Russian figure skater Kamila Valieva will be allowed to compete in the women's singles in figure skating at the Beijing Olympics after a decision by sport's top court on Monday.