WADA identified Doctor Sergei Portugalov, former deputy director of the Russian Federal Research Centre of Physical Culture and Sports (VNIIFK), as the mastermind of the scheme, advising athletes on doping, administering injections and helping cover up positive drugs tests.
Stories in the fallout of Lance Armstrong's doping confession.
The Russian Athletics Federation (ARAF) said on Monday four athletes had tested positive at the Russian Winter Indoor Athletics Championships in February.
Sacked Ukrainian coach Yuri Ogrodnik on Tuesday defended himself, saying that he has no role in the doping scandal that has hit Indian athletics.
Random testing, conforming to FIFA stipualtions, will be conducted during the 14-day tournament.
All athletes in the Indian team for Athens Olympics are clean, a top Athletics Federation of India official said.
Sushil, who is yet to make a formal statement on the matter, put out a cryptic tweet after the controversy broke out.
Athletics' governing body came under renewed fire on Tuesday following disclosures that top officials were aware of a potentially serious doping problem among Russian athletes as far back as 2009.
Canadian cyclist Michael Barry, a former teammate of Lance Armstrong's, said on Wednesday he was pressured to take performance-enhancing drugs for the U.S. Postal Service Team.
Out of those 13 won medals at the Games in Hyderabad.
Para athlete Hitesh Sachdeva has been banned from competing in the London Paralympics after being caught for doping.
The ICC has put the onus on BCCI to take action against the player found guilty of durg abuse during the IPL.
The World Anti Doping Agency (WADA) has effected changes to its International Standard for Testing (IST) for improving its annual reporting of anti-doping statistics in the future.
Azeri weightlifter Valentin Hristov was stripped of his 2012 Olympics 56-kg bronze medal on Friday after he was one of three athletes to test positive for banned substances in re-tests conducted by the International Olympic Committee.
Federal prosecutors on Friday dropped an investigation centered on whether seven-time Tour De France champion Lance Armstrong and his teammates cheated the sponsor of their bike racing team with a secret doping programme.
Anju Bobby George says Parul Chaudhary among ones to watch out for
The 29-year-old former French Open finalist failed the out-of-competition test in February after a urine sample was found to contain letrozole - a substance used in the treatment of breast cancer which is also on the banned drug list of the World Anti-Doping Agency (WADA).
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.
Seven Pakistan track and field athletes have been banned for two years each after failing dope tests in the national championships in Islamabad last month.
Moroccan 1,500 meters runner Amine Laalou has not run in his heat at the London Olympics, and was reported to have tested positive for doping.
American cyclist Kirk O'Bee, a former team-mate of Lance Armstrong, received a lifetime ban and had his competitive results since 2005 erased after a second doping offence, the US Anti-Doping Agency said on Wednesday.
Chinese rider Li Fuyu of Lance Armstrong's RadioShack team has been provisionally suspended for failing a doping test, the International Cycling Union (UCI) said on Thursday.
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.
The IOC said it had not detected any significant abuse of clenbuterol after finding "very low levels" of the banned substance during re-testing of samples from the Beijing Olympics.
In a double jolt for Indian boxing, middle-weight pugilist Manjit Singh has been suspended for two years after failing a dope test while fellow glovesman Baljeet Singh's 'A' sample has also tested positive.
Images from the US Open men's singles second round matches, at Flushing Meadows, New York, on Thursday.
A German TV documentary alleging widespread doping and cover-ups among Russian track and field competitors contains 'a pack of lies', the country's athletics federation president said.
The number of sportspersons flunking dope tests in the first seven months this year stands at a whopping 101, the highest in the last four years. The Sport Ministry on Tuesday came out with a report on the number of sportspersons, including powerlifters and bodybuilders, who failed dope test in the last four years. According to the report, the number increased from 44 in 2007 to 69 and 76 in 2008 and 2009 respectively, while this year, till July, it is 101.
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".
Russia has been at odds with the Olympic movement ever since its own Sochi Winter Games in 2014, where its athletes were found to have benefited for years from a large-scale state-sponsored doping programme - something Moscow denied.
A summary of sports events and persons who made news on Thursday.
Weightlifter Kavita Devi has been banned for two years after failing a drugs test, India's weightlifting chief said on Monday. Kavita, who competes in the women's 75kg, was hauled back from last month's Asian championships in Japan after the Indian weightlifting federation learned she had tested positive for a steroid during a World Anti-Doping Agency test.
"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.
Jamaica's 200 metres world champion Veronica Campbell-Brown has tested positive for a banned diuretic, sources close to Jamaican athletics said.
An Italian court indicted former Giro d'Italia winner Damiano Cunego and 26 others on doping charges involving his Lampre-Merida team on Friday, in a new blow for a sport dogged by drug scandals.
The case is closed after WADA said it would take the matter to the Court of Arbitration for Sport.
Tyler Hamilton, who was allowed to keep his Athens Olympics gold medal despite failing a doping test, has finally confessed to cheating and accused other top cyclists, including Lance Armstrong, of doing the same.
