China's world and Olympic swimming champion Sun Yang served a three-month ban earlier this year after testing positive for a banned stimulant, the China Anti-Doping Agency (CHINADA) said on Monday.
The ruling by the CAS, sport's highest tribunal, will be taken into consideration by the International Olympic Committee (IOC) as it ponders whether to impose a blanket ban on Russia from all sports.
The International Olympic Committee (IOC) will retest frozen samples from previous Games after an improved testing method led to hundreds of positive cases that went undetected, according to a German television channel.
A distraught Alysia Montano called her career 'a farce' and branded the International Association of Athletics Federations (IAAF) "a corrupt institution" after crashing out of the US Olympic trials on Monday.
Norwegian cross-country skier Therese Johaug says she is 'devasted' after her country's skiing federation confirmed the 28-year-old had returned a positive test for a banned substance found in sunburn cream on Thursday.
A summary of sports events and persons who made news on Thursday
The Court of Arbitration for Sport (CAS) on Tuesday reduced by nine months former world number one tennis player Maria Sharapova's two-year doping ban.
Afghanistan wicketkeeper Mohammad Shahzad has been provisionally suspended after testing positive for a banned substance, the International Cricket Council (ICC) has said.
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.
Here is a timeline of the events surrounding USADA's procedures against retired American cyclist, Lance Armstrong.
World soccer's governing body called for a life ban for some doping offences.
Vijay Singh has been cleared of doping by the PGA Tour despite admitting that he used a spray containing elements of a banned substance.
TUEs are issued by sports federations and national anti-doping organizations to allow athletes to take certain banned substances for verified medical needs.
Russian former world number one Maria Sharapova was suspended for two years by the International Tennis Federation on Wednesday following her positive test for banned drug meldonium at this year's Australian Open.
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.
Refusing to budge from its stance, the Wrestling Federation of India floated a new theory on Tuesday, alleging that some junior officials of the Sports Authority of India and National Anti Doping Agency are responsible for Narsingh Yadav being handed a four-year ban for doping.
Lance Armstrong and his team ran the most sophisticated doping programme in sport according to the United States Anti-Doping Agency (USDA) which released its report on the case against the US Postal cycling team on Wednesday.
Summary of sports events and persons who made news on Saturday
Most expressed shock and a degree of sympathy for Maria Sharapova others were less charitable.
The names of the supplements and ingredient as per the label and name of the manufacturer include Jack 3D (1, 3-dimethyylamylamine), Hemo Rage Black (Methylhexaneamine), Neurocore (Geranium extract), Launch (Geranium Oil Extract), CO2 (1, 3-dimethyylamylamine).
Lance Armstrong may be ready to admit to doping and say sorry for his actions but his old nemesis, former-World Anti-doping Agency (WADA) chief Dick Pound, does not expect any apologies coming his way.
A summary of sports events and persons who made news on Wednesday
Olympic sprint champion Usain Bolt said the finding of 31 positive doping samples from the 2008 Beijing Olympics marked a rough point for athletics, but backed the World Anti-Doping Agency in its effort to crackdown on drug use in the sport. Thirty-one athletes from six sports could be banned from this year's Rio Olympics after failing dope tests when 454 samples were reexamined from the 2008 Games, the International Olympic Committee said on Tuesday. "It's rough in the sport," the six-times Olympic Champion told British media. "Something that's been tarnishing the sport for years." The IOC said it would begin re-testing athletes likely to take part in the Rio Games to prevent any drug cheats from competing.
A summary of sports events and sports persons, who made news on Friday
A much-awaited report on Lance Armstrong's lifetime ban should be sent to cycling's world governing body no later than October 15, a spokesman for the U.S. Anti-Doping Agency (USADA) said on Wednesday.
Six athletes failed dope tests during the 60th All India Police Championships, which was held from March 12 to 15, at the Jawaharlal Nehru stadium in Delhi, the National Anti Doping Agency said. Six out of the 55 samples collected from the athletes tested positive for prohibited substances notified by the World Anti Doping Agency (WADA).
Autorickshaw drivers and families from Kalyan reveal how the lockdown has rendered them jobless and deprived them of bare necessities.
The suspense over wrestler Narsingh Yadav's participation in the Rio Olympic Games was prolonged further after the National Anti-Doping Agency deferred its final verdict on the doping scandal to Monday.
Out-of-favour India hockey goalkeeper Adrian D'Souza has tested positive for a banned substance in a random test conducted by the National Anti-Doping Agency (NADA) during the inaugural World Series Hockey which concluded early this month.
Senior BCCI members feel that the "decision to buckle under government pressure" may lead to the Board losing its autonomy despite being financially independent.
What's YOUR favourite Navratri food? Tell us!
'I'm always surprised when I walk off court after a final and I'm like 'where is anti-doping?'
Thirty-four past and present players from Australian Rules team Essendon Bombers, one of the country's richest and most storied football clubs, were issued two-year bans for doping on Tuesday in a ruling that stunned the sports-mad nation.
Sport's highest tribunal began a four-day hearing, on Monday, which could result in three-times Tour de France champion Alberto Contador being stripped of his 2010 title for doping.
A summary of sports events and persons in the news on Saturday.
Sprinter Dwain Chambers and cyclist David Millar were cleared to compete in this year's London Olympics after the British Olympic Association's (BOA) lifetime Games ban on drug offenders was overturned by the Court of Arbitration for Sport on Monday.
Bowing to the BCCI's objections, the Sports Ministry on Monday decided to exempt cricketers from some World Anti-Doping Agency rules, including the contentious 'whereabouts clause', in the revised National Sports Development Bill.
South African batsman Vaughn van Jaarsveld has been banned from cricket for three months following an appeal from the World Anti-Doping Agency (WADA), the South African Cricketers' Association (SACA) said on Thursday.
