Allegations by a former head of Russia's drug testing laboratory that dozens of Russian athletes used doping when they competed at the 2014 Sochi Olympics are "slander by a turncoat" and are absolutely groundless, the Kremlin said on Friday.
In what may come as an embarrassing revelation for India's anti-doping machinery, 500 sportspersons, mostly weightlifters and track-and-field athletes, have failed drug tests conducted by NADA in the last four and a half years.
A summary of sports events and sports persons, who made news on Thursday
The World Anti-Doping Agency (WADA) is considering a blanket ban on countries whose athletes regularly dope in the wake of a series of damaging blows for the sport in recent days, according to its president Craig Reedie.
Slovenia men's ice hockey player Ziga Jeglic has tested positive for a banned substance and has been suspended for the remainder of the Pyeongchang Winter Olympics, the Court of Arbitration for Sport said on Tuesday.
In what could be one of the biggest doping scandals in recent years, as many as 21 weightlifters have been provisionally suspended by the Indian Weightlifting Federation after testing positive for banned substances.
Lance Armstrong violated anti-doping rules during a random test in Southern France and could face disciplinary action, the French Anti-Doping Agency (AFLD) said on Thursday. The seven-times Tour de France champion "did not respect the obligation to stay under (the) direct and permanent observation" of the tester, the AFLD said in a statement.
Olympic swimming gold medallist Park Tae-hwan has been left "shocked" by a positive doping test, which his agency has attributed to an injection given to the South Korean swim star during chiropractic treatment ahead of last year's Asian Games.
The fight against doping costs $300-400 million a year and sporting medical experts at a conference hosted by FIFA on Friday questioned whether it was value for money.
Chinese Olympic women's swimmer Chen Xinyi tested positive for a banned substance at the Rio Olympics on August 7, state media said on Friday citing the country's swimming association, the latest doping scandal to mar competition at the Games.
Several anti-doping agencies, including those of the United States and Canada, want a complete ban on Russia competing at the Rio Olympics if next week's key report into allegations of state-backed doping at the 2014 Sochi winter Olympics is damning, they said on Saturday.
Yulia Stepanova, the key whistleblower in the Russian doping scandal that almost led to her country being completely excluded from the Rio de Janeiro Games, will miss the Olympics after the runner was controversially ruled out due to her doping past.
Cricketers can be tested out of competition for the first time under a new anti-doping code announced on Monday by the International Cricket Council (ICC). The rules, revised after amendments to the World Anti-Doping Agency (WADA) code and unanimously approved by the ICC Board, will come into effect from January 1.
Left red-faced by the four-year ban imposed on Narsingh Yadav by the Court of Arbitration (CAS), the Wrestling Federation of India has demanded a CBI probe into the doping scandal that has jeopardised the grappler's entire career.
Lance Armstrong's return to competitive cycling will not erase doping allegations that have dogged his career, the former head of WADA, Dick Pound said.
'We are now able to confirm a cover up that dates back until at least 2011 and continued after the Sochi Olympic Games. It was a cover up that evolved from uncontrolled chaos to an institutionalised and disciplined medal-winning conspiracy'
Kenyans convicted of doping offences will face at least three years in prison and heavy fines under a draft law to be submitted to parliament, the chairman of a government-backed anti-doping task force.
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.
'Will we face politics even before we go to play for the country because we raised our voice against sexual harassment? Is this the punishment for raising voice against wrong in our country?'
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.
American Tom Danielson has revealed he failed a doping test for synthetic testosterone but the Cannondale-Garmin rider denies taking a banned substance.
Dutee Chand had claimed before NADA's Anti-Doping Disciplinary Panel (ADDP) that it was a case of "unintentional consumption".
The World Anti-Doping Agency will conduct dope tests on players participating in the Indian Premier League.
A report by the World Anti-Doping Agency on Monday is set to deepen an athletics scandal that, according to one of the document's authors, eclipses even the alleged corruption at football's governing body FIFA.
The Rio Olympics athletics programme suffered its first doping setback as Bulgarian runner Silvia Danekova has tested positive for EPO, sources told Reuters on Thursday.
Serbia's former World No 12 Viktor Troicki has been handed an 18-month suspension by the International Tennis Federation (ITF) after violating doping regulations.
Asian Games double gold medallist Ashwini Akkunji, who failed the dope test, on Wednesday claimed innocence and blamed the vitamin supplements that they consumed on the recommendation of their coach as the source of the anabolic steroids.
The government on Wednesday sacked four Sports Authority of India officials in the wake of the doping scandal which saw eight leading athletes fail dope tests in the last few days. The latest development comes a day after Ukrainian coach, Yuri Ogorodnik, who was training six of these athletes, was given marching orders by sports minister Ajay Maken, who has promised to crack the whip on those found guilty.
Sri Lankan opening batsman Upul Tharanga has been suspended for three months after failing a doping test, the International Cricket Council said on Friday. The ICC said the 26-year-old left-hander's urine sample, taken after this year's World Cup semi-final against New Zealand in Colombo on March 29, contained prednisone and prednisolone which are on the World Anti-Doping Agency's banned list.
A summary of sports events and sports persons, who made news on Friday
Rediff.com brings you players who have tested positive for use of banned substances over the years.
Indian athletics slumped to new depths of shame by producing the highest number of dope cheats while continuing the flopshow at the Olympics in yet another dismal year.
Russian long jumper Tatyana Kotova has been provisionally suspended after failing a drugs test at the Helsinki 2005 world championships, the Russian anti-doping agency (RUSADA) said on Friday.
Liverpool defender Mamadou Sakho has been provisionally suspended for 30 days after failing an anti-doping test, European soccer's governing body UEFA said on Thursday.
Punia had trained in Russia to prepare for the trials, which are being organised by the IOA ad-hoc panel.
Doping could cast a shadow over Kenya at the 2016 Rio Olympics unless the East African nation implements credible systems to root out drugs cheats, said veteran Kenya-based coach Brother Colm O'Connell.
Five-times grand slam champion Maria Sharapova is seeking to have her two-year doping ban wiped out or reduced as she lodged an appeal with the Court of Arbitration for Sport (CAS) on Tuesday.
In its bid to make the Commonwealth Games a dope-free event, the organisers on Tuesday said participating athletes will be subjected to surprise dope testing to deter them from taking banned drugs.
Images from the US Open men's singles first round matches, at Flushing Meadows, New York, on Tuesday.
Russian tennis player Maria Sharapova has been provisionally named in her country's squad for the forthcoming Rio Olympics.
