Jamaica's former world 100 meters record holder Asafa Powell tested positive for a stimulant at last month's national championships, his agent said.
The reason: Vitaly Mutko has delivered victories on the sports field for the past decade and a half to match Putin's ambition of restoring national pride, and the Russian leader stands by the people who give him loyal service.
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".
Cycling's world governing body has disbanding the Independent Commission which investigated the Lance Armstrong doping scandal in favour of a 'truth and reconciliation process', the UCI said on Monday.
Hima Das has been provisionally suspended by the National Anti-Doping Agency (NADA) for three whereabout failures in 12 months.
Coach Eteri Tutberidze said she was certain Valieva was 'clean and innocent'
Whistleblower nearly aborted efforts to expose Russian doping
'Mr. Bhamara would like to state that he was and remains a clean competitor and has always played basketball fairly'
Swimming authorities need to increase the number of doping tests to preserve the sport's credibility and stop fans turning away according to Britain's triple world champion and double world record holder Adam Peaty.
Summary of sports events and persons who made news on Wednesday.
The World Anti-Doping Agency WADA has issued a revised draft code inserting a proposed Olympic ban for serious doping offenders from January 2015.
Former Australian finance minister John Fahey was re-elected to a second three-year term as president of the World Anti-Doping Agency (WADA) on Sunday.
The IAAF ruling body of athletics is proactive in tackling doping and not protective of drug cheats, according to president Sebastian Coe.
The BBC report said a third of medals in endurance events at the Olympics and world championships between 2001 and 2012 were won by athletes who have recorded "suspicious tests".
A day after wrestler Narsingh Yadav was exonerated of doping charges by the National Anti-doping Agency (NADA), its parent world body WADA said that it will review the case.
Five-times grand slam tennis champion Maria Sharapova hit out at some media accounts of her doping case that she termed "wrong" in an open letter to her fans on Facebook on Friday. Sharapova, who tested positive for the banned drug meldonium at the Australian Open in January, is facing a suspension of up to four years by the International Tennis Federation (ITF) and has already lost numerous sponsorships in the aftermath. The former world number one thanked her fans for their "tremendous outpouring of support" before launching into a critique of what she believed were some inaccurate reports. "A report said that I had been warned five times about the upcoming ban on the medicine I was taking. That is not true and it never happened," Sharapova wrote. The 28-year-old Russian said she was making no excuses for not knowing about the ban that went into effect on Jan. 1, but said that after the first announcement, other notices were "buried in newsletters, websites, or handouts." "Again, no excuses, but it's wrong to say I was warned five times," said Sharapova, who has said she took the drug for 10 years due to a family history of heart issues and diabetes.
The method for detecting the new designer steroid is being sent to IOC-accredited laboratories throughout the world.\n\n
Disgraced Tour de France winner Lance Armstrong would need "something close to a miracle" to get his lifetime ban from cycling re-examined, World Anti-Doping Agency (WADA) president John Fahey said on Tuesday.
The National Anti-Doping Agency (NADA) Director General Navin Agarwal confirmed that they found two samples taken fromNarsingh Yadav positive for dope.
Russia's weightlifting team has been barred from competing at the Rio Olympics in August over doping offences, the sport's governing federation said on Friday.
The World Anti-Doping Agency (WADA) has voiced its disappointment with Tuesday's decision by the judge in Spain's "Operation Puerto" doping trial to destroy all the evidence from the case instead of making it available to other sports bodies and said it is considering an appeal.
Britain's Sunday Times and Germany's ARD say the results from the database of the sport's governing body, the International Association of Athletics Federations (IAAF), show evidence of widespread cheating among long distance runners.
Russian track and field athletes look certain to miss out on this year's world championships after an IAAF task force recommended on Monday that the country's ban should run until November.
"The IAAF's delaying publication for so long without good reason is a serious encroachment on the freedom of publication," the researchers said in a statement.
On Wednesday, the Indian Weightlifting Federation (IWF) wrote to the sports ministry to comply with the High Court order.
More than 100 athletes were caught doping and sanctioned in the months leading up to the London Olympics in a drive to eliminate cheats before they reach the Games, the World Anti-Doping Agency (WADA) said.
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
The 27-year-old gold medallist in the 20km race-walk event at the National Inter-State Championships in June, has been asked to return home from Budapest after Athletics Federation of India (AFI) received a notification from NADA regarding the athlete's "whereabouts failure".
Jannik Sinner retained his Australian Open title with an emphatic 6-3, 7-6(4), 6-3 win over Alexander Zverev on Sunday
British Olympic 4x100m relay silver medallist Chijindu Ujah's B-sample has also confirmed an Adverse Analytical Finding (AAF) and his case will be referred to the Court of Arbitration for Sport, the International Testing Agency (ITA) said on Tuesday.
The World Anti-Doping Agency has added out-of-competition use of glucocorticosteroids that include powerful anti-inflammatory medication cortisone, often taken as injection by injured cricketers, to its Monitoring Programme, along with nicotine.
While handing down a four-year ban on Narsingh Yadav, the Court of Arbitration for Sports has ruled that the wrestler failed to produce any 'real evidence' regarding the sabotage theory he had advanced and the balance of probabilities was that he orally took the banned substance intentionally in tablet form on more than one occasion.
Heavyweight world boxing champion Tyson Fury has tested positive for cocaine, ESPN reported on Friday citing a leaked letter sent by the Voluntary Anti-Doping Agency (VADA).
International Cycling Federation (UCI) president Pat McQuaid enjoys the support of the International Olympic Committee despite the sport's tarnished image and the UCI's bitter row with the World Anti-Doping Agency, the IOC said.
Caught in the dope net, Asian Games bronze-medallist javelin thrower Davinder Singh Kang on Sunday said the failed result is because of a declared medication he took for sore throat and he is confident of being cleared in the disciplinary hearing.
The final version of a report which has already revealed a system of state-sponsored doping in Russia is still several months away, its author Richard McLaren said on Friday.
The International Tennis Federation (ITF) has expressed its disappointment at the Court of Arbitration for Sport (CAS) decision to clear French player Richard Gasquet of doping after he tested positive for cocaine.
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.
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