The London Olympics is all set to go down in history as the most dope tested Games with more than 6,000 samples expected to be analysed, the World Anti Doping Agency (WADA) has said.
Seven-times Tour de France winner Lance Armstrong has dismissed as irrelevant an offer by an anti-doping authority to test his urine samples from the 1999 race. France's national anti-doping agency (AFLD) on Wednesday offered Armstrong an analysis of his samples from the 1999 Tour "to prove his good faith," French sports newspaper L'Equipe reported.
Judo's governing body said that athletes were not obliged to take unscheduled drug tests when training in France in June and that those who refused, including Kosovo's gold medallist Majlinda Kelmendi, subsequently tested negative the next week.
A look at the 10 cricketers who were punished for drug related offences.
Kazakh weightlifter Igor Son, who won bronze at the 2021 Tokyo Olympics, has been banned for eight years for doping but will not be stripped of his medal.
Cypriot weightlifter Antonis Martasidis and an unnamed Greek competitor have tested positive for banned substances and have been expelled from the Rio Olympics, their teams said on Friday.
Punia had trained in Russia to prepare for the trials, which are being organised by the IOA ad-hoc panel.
Three Pakistani bodybuilders have been banned for two years after failing dope tests conducted before last year's Asian Games in Doha.
West Indies woman cricketer Tremayne Smartt was suspended for five months by the ICC for failing a dope test after a Twenty20 match against Pakistan in September.
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.
The Sports Ministry has got a fillip with the government allocating Rs 3,397.32 crore, an increase of Rs 723.97 crore, in the Union Budget on Wednesday.
Bach said the International Olympic Committee had limited means of action.
Commonwealth Games medal prospect shot putter Saurabh Vij and Akash Antil flunked dope tests conducted by the National Anti-doping Agency last month, the Athletics Federation of India said on Thursday.
Coach Eteri Tutberidze said she was certain Valieva was 'clean and innocent'
Samples from the probables for the Twenty20 World Cup, including fast bowlers Shoaib Akhtar and Mohammad Asif, have been taken for testing by WADA laboratory.
Richardson was banned last year for a month for testing positive for cannabis
Thirty one athletes from six sports could be banned from this year's Rio de Janeiro Olympics after 454 doping samples were re-tested from the 2008 Beijing Olympics, the International Olympic Committee said on Tuesday.
Olympic bronze-medallist Vijender Singh had tested negative for any banned substances conducted by the National Anti-Doping Agency.
Five Jamaican athletes, including two Olympic medallists, tested positive for banned performance-enhancing drugs at last month's national championships, sources close to Jamaican athletics said.
His dream of representing the country in Rio Olympics shattered after a verdict of the CAS, a devastated Narsingh Yadav, on Friday, said that he will do everything to prove his innocence.
Russian tennis star Maria Sharapova, the highest-paid woman in sports, said on Monday that she failed a drug test at the Australian Open due to a substance she has been taking for 10 years for health issues.
The World Anti-Doping Agency expressed its frustration after plans to launch an ''extraordinary'' audit into allegations that Jamaica's athletes were rarely drug-tested before the London 2012 Games were pushed back until 2014.
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.
Nigerian 110 metres hurdler Samuel Okon has tested positive for the banned stimulant methylhexaneamine, Games Federation chief Mike Fennell said on Tuesday.
Jamaica's twice 200 metres Olympic champion Veronica Campbell-Brown has escaped with a public warning by the Jamaica Athletics Administration Association for her use of a banned substance.
Doping in Indian athletics assumed scandalous proportions after five more athletes, including Commonwealth and Asian Games gold medallist Sini Jose, flunked tests conducted by the National Anti-Doping Agency. Jose, top quarter-miler Jauna Murmu, whose samples tested positive on Wednesday, another 400m runner Tiana Mary Thomas, long jumper Hari Krishnan and shot putter Sonia returned positive for anabolic steroids in their 'A' samples.
Nigerian sprinter Blessing Okagbare has been banned for 10 years for doping in the lead-up to the Tokyo Olympics and refusing to co-operate with the investigation.
In a bid to put an end to the drug controversy, the Sports Ministry on Monday directed the National Anti-Doping Agency (NADA) to immediately carry out dope tests on star boxer Vijender Singh, who has been accused of consuming heroin by the Punjab police.
Virginia Fuchs narrowly missed out on qualifying for the Rio Olympics in 2016 and has now set her sights on next year's delayed Tokyo Games.
Three more Indian weightlifters have tested positive for doping, taking the latest positive tests to five, and the national body is now facing another suspension. Male lifters Harbhajan Singh and Rajesh Kumar and female Bijaya Devi were caught in World Anti-Doping Agency (WADA) tests at a training camp for the Commonwealth championships.
Pakistani pacers Shoaib Akhtar and Mohammed Asif reportedly tested positive for a banned substance again in a secret dope test conducted by the Pakistan Cricket Board.
Jamaica's Olympic sprint champion Usain Bolt has "no problem" with plans by the World Anti-Doping Agency (WADA) to test the hair follicles of athletes in a bid to clamp down on drug cheats in sport.
A summary of sports events and persons who made news on Thursday.
Williams's publicist Kelly Bush Novak was responding to a report on website Deadspin that an officer from the US Anti-Doping Agency (USADA) had visited seeking to drug test Williams outside the allotted daily window.
Four wrestlers were axed from the Indian squad on Thursday for failing dope tests barely a month before the Commonwealth Games begin there.
Two players from each team will be tested as per WADA procedures during the October 7-November 5 tournament.
Embarrassment piled on India ahead of next month's Commonwealth Games with three swimmers, two of them part of the country's team for the mega-event, flunking dope tests in New Delhi on Sunday.
'We are trying passionately to protect those clean athletes who are going to Rio 2016'
The World Anti-Doping Agency (WADA) has suspended the accreditation of NDTL for six months in a massive blow to the country's anti-doping programme, the cost of which will rise significantly now.
