The IAAF ruling body of athletics is proactive in tackling doping and not protective of drug cheats, according to president Sebastian Coe.
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.
Top athletics coach Alberto Salazar and US Olympic silver medallist Galen Rupp have denied any wrongdoing after a BBC documentary accused them of violating anti-doping rules.
Denis Oswald, the International Olympic Committee's permanent chair of the disciplinary commission, said Valieva claimed there was a mix-up at a Court of Arbitration for Sport (CAS) hearing into whether she should be allowed to continue competing.
West Indies all-rounder Andre Russell was banned on Tuesday for one year for a doping whereabouts rule violation.
Afghanistan wicketkeeper Mohammad Shahzad has been provisionally suspended after testing positive for a banned substance, the International Cricket Council (ICC) has said.
Russian tennis player Maria Sharapova has been provisionally named in her country's squad for the forthcoming Rio Olympics.
The World Anti-Doping Agency is not fit for purpose and should be replaced, Britain's double Olympic decathlon champion Daley Thompson has said following its decision last month to lift a ban on Russia's anti-doping body.
Wrestler Yogeshwar Dutt's bronze medal from the London Olympics was upgraded to silver after silver medallist from the 2012 Games -- deceased Besik Kudukhov of Russia -- was stripped off his medal for using banned substance.
The decision not to impose a blanket ban was not uniformly welcomed with Travis Tygart, head of the United States Anti-Doping Agency, describing it as "yet another devastating blow to clean athletes."
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.
Coach Eteri Tutberidze said she was certain Valieva was 'clean and innocent'
A Kerala-based organisation moved the Delhi high court on Friday against the Centre's last-minute decision to deny triple jumper Renjith Maheshwary the prestigious Arjuna award in 2013.
'WADA had never intervened in Narsingh's matter and no clearance is required.'
The postponement of the Tokyo Games to 2021 due to the coronavirus pandemic may have opened the door for dope-tainted Indian wrestler Narsingh Yadav to realise his dream of winning an Olympic medal. Yadav was handed a four-year doping ban just hours before his first bout at the Rio Olympics after the World Anti-Doping Agency (WADA) won its appeal against an earlier exoneration.
In the full decision posted on CAS's website and made public on Wednesday, CAS said Sun Yang had sought to shift blame to testers and his entourage and taken no responsibility for his actions.
The IOC seems reluctant to ban the entire Russian team from next month's Olympic Games, despite mounting concern over doping violations, the co-author of the report that led to Russia's ban from track and field events said on Wednesday.
Reedie, 75, has been involved with WADA since its foundation in 1999 and was elected its third president in 2013.
Russian gymnasts must be allowed to compete in the Olympic Games and not tarred with the same brush as the country's banned track and field athletes, the International Gymnastics Federation (FIG) said on Monday.
BCCI had expressed concern about security during the World Cup in a letter to the ICC after last month's attack in the disputed region that killed 40 Indian paramilitary troops.
Russian figure skater Kamila Valieva will be allowed to compete in the women's singles in figure skating at the Beijing Olympics after a decision by sport's top court on Monday.
Russia's sole track and field competitor at the Rio Olympics, Darya Klishina, has been suspended from the Games, a source told Reuters on Saturday.
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.
Kaur had also taken part in the 5000m race in Patiala and finished fifth. She had also won a silver in 5000m in the National Inter-State Championships in Guwahati in 2018.
Novak Djokovic says he has lost all trust in the anti-doping programme in tennis and fears he could become a victim of its 'negligence' after fellow Serb Victor Troicki failed to have his doping ban overturned on Tuesday.
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
The World Anti-Doping Agency (WADA) on Wednesday defended the Therapeutic Use Exemption (TUE) system after some athletes' confidential medical data was leaked by a group of Russian hackers, shedding light on potential abuse.
Valieva failed the test collected at the Russian national championships on Dec. 25
Spaniard Marta Dominguez Marta Dominguez has been stripped of her 2009 steeplechase world title and banned for three years due to anomalies in her biological passport that pointed to doping, the Court of Arbitration for Sport (CAS) said on Thursday.
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.
Jamaica's twice 200 metres Olympic champion Veronica Campbell-Brown has escaped with a public warning by the Jamaica Athletics Administration Association for her use of a banned substance.
Top Indian javelin thrower Davinder Singh Kang has been suspended provisionally by the world athletics governing body after he returned positive for a steroid in an out-of-competition test last week.
There will no be Russian athletes at the 2016 IAAF world indoor championships in Portland, Oregon next March, a source with knowledge of the decision said on Thursday.
Lamine Diack, the former president of the International Association of Athletics Federations (IAAF), was responsible for organizing and enabling the conspiracy and corruption that took place in athletics' governing body, an independent commission of the World Anti-Doping Agency (WADA) said on Thursday.
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.
Her four-year ban, announced by WADA on Friday night, will begin from June 26, 2018 -- the date of her sample collection.
Twice Olympic pole vault champion Yelena Isinbayeva will stand in the All-Russian Athletics Federation (ARAF) presidential election this year, she said on Wednesday.
The World Anti-Doping Agency banned Russia from the world's top sporting events for four years, a period that includes the next summer and winter Olympics and the 2022 World Cup in Qatar, for tampering with doping-related laboratory data. The sanctions against Russia, the host of last year's soccer World Cup, also bar it from hosting major sporting events for a four-year period or applying to host new events in that period.
The WADA decision is likely to determine whether Russian athletes, who can prove they are clean, will compete as neutrals or whether some will be invited by the IOC to compete in Tokyo.
The risk ratio for winning a medal with a TUE, according to WADA, was 1.13.