Two Jamaican athletes, including 4x400 metres relay pool member Dominique Blake, are facing disciplinary action after testing positive for doping.
A hearing in the case of Russian curler Alexander Krushelnitsky, who tested positive for the banned substance meldonium, has yet to be scheduled, the Court of Arbitration for Sport (CAS) said on Wednesday.
The world governing body for athletics (IAAF) released a formal statement on Tuesday, strongly denying media reports of widespread doping in the sport.
A French judge has issued an international arrest warrant against American rider Floyd Landis for suspected hacking into an anti-doping laboratory computer, French anti-doping agency head Pierre Bordry said on Monday.
The International Olympic Committee has formally excluded Albanian weightlifter Hysen Pulaku from the London Olympics after he failed a doping test.
The World Anti-Doping Agency (WADA) faces a challenge to tackle cheating in sport while it has an annual budget of less than the income of many top athletes, its president Craig Reedie said. Lack of money could equally prove a handicap for a proposed independent testing authority, said Reedie, who also expressed support for global athletics chief Sebastian Coe and said WADA was in a state of "peace not war" with Coe's troubled sport. "I could do with a lot more money," Reedie said in an interview with Newsweek published on Saturday. The Scot said governments decided their own contributions to WADA's budget, which were then matched by the International Olympic Committee (IOC). "The total is not nearly enough," he said. "WADA's total annual budget of $30 million a year is exceeded by many athletes around the world who make more than that themselves in one year."
A summary of sports events and persons who made news on Tuesday
Badminton world number one Lee Chong Wei of Malaysia has been provisionally suspended for an "apparent" anti-doping violation, the Badminton World Federation (BWF) said on Tuesday.
The national anti-doping body said it has made improvements in the system to allay the fears of the Board of Control for Cricket in India.
The player is survived by wife and two children.
A look at the 10 significant events that have helped to shape the fight against the use of performance-enhancing drugs in sport in the decade since the World Anti-Doping Agency (WADA) was formed on November 10, 1999.
The World Anti-Doping Agency (WADA) is to investigate Russian doping allegations relating to the 2014 Winter Olympic Games in Sochi, WADA said on Tuesday.
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.
Raising doubts on the possibility of foul play in the Narsingh Yadav doping scandal, Maharashtra Chief Minister Devendra Fadnavis hinted the wrestler may have been 'tricked or framed', while asking the Union Sports Minister to look into the case.
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.
Five nations, including Russia, whose doping records have risked weightlifting's place on the Olympic schedule have been limited to just two athletes for the 2020 Tokyo Games by the sport's governing body, according to a document seen by Reuters.
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.
Russian doping whistleblower Yulia Stepanova's application to compete as an individual athlete has been accepted, the International Association of Athletics Federations (IAAF) said on Friday.
The under-fire Jamaica Anti-Doping Commission (JADCO) has appointed a new executive director just three days before the start of a World Anti-doping Agency (WADA) audit of its operations, the Jamaican government said on Friday.
New Zealand batsman Jesse Ryder has been suspended for six months for failing a doping test for banned stimulants he claimed he took in a supplement to help him lose weight, the country's top sports tribunal said on Tuesday.
Ace shuttler Saina Nehwal gave a stunning twist to the raging dope scandal by saying that many athletes and weightlifters had told her in the past that they knowingly consume banned drugs.
Lanka's sports minister said some 10 million rupees (around $70,000) had been offered to the players to lose the match. Police had mounted a search for the suspect who was said to have approached the two players
'It is great news (cricket in Olympics) if you are a business-person. America has a large section of Asian expats, who are crazy about cricket and they will fill the stadium and of course will follow the game on TV or streaming apps.'
Chris Xuereb, the masseur and fitness advisor of Asafa Powell and Sherone Simpson, has denied providing the two Jamaican sprinters with performance-enhancing drugs and said they should take responsibility for their failed dope tests.
Summary of sports persons and events in the news on Friday.
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.
Pakistan Cricket Board on Monday made it clear that it would not support embattled paceman Mohammad Asif, who has again been caught in a doping scandal and faces a possible two-year ban.
Three Kazakh weightlifters have been stripped of the gold medals they won at the 2012 London Olympics after failing doping tests, the International Olympic Committee said.
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).
Sri Lanka wicketkeeper Kusal Perera has had all anti-doping charges brought against him dropped by the International Cricket Council (ICC) after the Qatar-based laboratory that conducted the test withdrew its initial finding.
The 63-year-old Coe, a double Olympics 1500m champion (1980 and 1984), is hoping that things will get clearer by next month.
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.
Dozens of Russian athletes who competed at the 2014 Sochi Winter Olympics, including at least 15 medal winners, were part of a state-run doping program.
Kenya's top runners have urged athletics fans and sports enthusiasts across the world to keep faith in them, despite media allegations of widespread doping in the east African nation famed for its top-class runners.
The first woman to clinch five consecutive Winter Games medals, Pechstein laughed at suggestions her story might be coming to an end. She said she wanted to qualify for the World Cup in March and finish the season before deciding anything.
Two athletes saw their Olympic hopes cut short on Sunday after being suspended from the London 2012 Games for using banned performance-enhancing drugs, taking the tally of doping offenders after two days of competition to three.
A female gymnast from Uzbekistan was provisionally suspended from the London Olympics on Sunday after failing a drug test, the second doping case of the games.
Serbia's Viktor Troicki's suspension for violating doping regulations has been cut from 18 months to 12 months after his appeal was heard by the Court of Arbitration for Sport (CAS), it was announced on Tuesday.
In a huge relief for India's Commonwealth Games contingent, its boxers were cleared of any doping violation, but they remained under the scanner for breaching the Games' strict 'no needle' policy.