The Jamaican government needs to establish an accredited anti-doping laboratory to protect its world-class athletes from taking contaminated substances, the coach of world record holder and Olympic champion Usain Bolt says.
World Athletics, the sport's governing body, limited the number of Russians eligible to compete internationally this year to 10 in response to doping offences by senior staff at Russia's suspended athletics federation.
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.
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.
There are now new questions that some athletes, whose bans prevented them from competing in the Tokyo Olympics, will have the opportunity to do so due to the change in dates.
Kenya, facing scrutiny from world anti-doping officials and criticism that it is not doing enough to tackle the problem, has banned seven more athletes for doping offences, raising the total number of Kenyan drug cases in the last three years to 40.
Spain is to introduce an anti-doping code to improve detection procedures, speed up the implementation of sanctions and clamp down on the trading of banned substances.
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.
Bulgaria's weightlifters will be absent from next year's Olympics after the sport's governing body banned the country's athletes following a high number of doping cases, it said on Friday.
Former India all-rounder Yusuf Pathan was on Tuesday handed a five-month retrospective suspension for failing a dope test, a sanction which will end on January 14, after the Board of Control for Cricket in India accepted that the violation was inadvertent.
Michael Phelps urged US lawmakers on Tuesday to push for a reform of the global anti-doping effort in sport after a career in which the Olympic great said he was never confident he was competing against clean athletes.
Young Bangladesh pacer Kazi Anik Islam has been handed a two-year ban by the Bangladesh Cricket Board for failing a dope test in 2018. Kazi, who was Bangladesh's leading wicket-taker in the 2018 Under-19 World Cup, tested positive for Methamphetamine, a prohibited substance, during a National Cricket League game in the same year. The 21-year-old admitted to the offence.
With the Rio Olympics less than three weeks away, the IOC on Monday promised "the toughest sanctions available" after a report found Moscow had concealed hundreds of positive doping tests in many sports ahead of the Sochi winter Games.
India may be considered a sporting minnow but in terms of doping by its athletes, it has been ranked third behind Russia and Turkey in a World Anti-Doping Agency Report for 2013 with as many as 91 from the country testing positive for banned substances in that year.
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.
A look at the 10 cricketers who were punished for drug related offences.
Here are some reactions from the world of sport on of widespread state-sponsored doping by Russian athletes at the 2014 Sochi Olympics.
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.
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.
Russia was the leading doping offender in global sport during 2014, followed by Italy and India, the World Anti-Doping Agency said on Wednesday.
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.
He will serve out five-month ban on Sunday but WADA says his case a pending one
Breakdancing, considered one of the pillars of hip-hop culture, will also make its Asian Games bow in 2022, two years before it features in the Olympics for the first time in Paris.
Russia's weightlifters face being banned from the Rio Olympics, subject to confirmation by the International Olympic Committee, in another collective doping punishment to hit the country.
South Korea's Olympic badminton gold medallist Lee Yong-dae has been hit with a one-year ban for missing doping tests, the Badminton World Federation (BWF) said on Tuesday.
Russian whistleblower Yulia Stepanova will not appeal to the Court of Arbitration for Sport over her ban on running as an independent athlete at the Rio Olympics, she said on Friday.
Roger Federer said he trusts the anti-doping procedures in tennis despite rival Novak Djokovic's claim that fellow Serb's Victor Troicki's one-year ban was the result of negligence by the authorities.
Figure skater Ivan Shmuratko dodged questions about the mood in Ukraine, saying he was at the Olympics to do his best.
Partial sanctions against Russian athletes over the country's state-run doping system are preliminary, International Olympic Committee (IOC) President Thomas Bach said on Sunday, defending the organisation's position amid vocal criticism.
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.
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.
Kolkata Knight Riders pacer Pradeep Sangwan was slapped with an 18-month ban from cricket after being found guilty of consuming a banned anabolic steroid by the BCCI's Anti-Doping Tribunal.
The 27-year-old gold medallist in the 20km race-walk event at the National Inter-State Championships in June, has been asked to return home from Budapest after Athletics Federation of India (AFI) received a notification from NADA regarding the athlete's "whereabouts failure".
Russia was banned from taking part in or hosting world championships, including the World Cup as part of doping sanctions imposed by WADA.
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.
In the wake of the latest findings of the McLaren report, FIFA president Gianni Infantino has ruled out taking the 2018 World Cup from Russia.
A summary of sports events and sports persons, who made news on Thursday
Sebastian Coe chairs a meeting of world athletics on Friday to discuss suspending Russia over allegations of state sponsored doping of its athletes, a crisis that has put his leadership under the spotlight barely three months into the job.
The scandal revolves around accusations that money was demanded from top athletes to 'bury' medical tests showing drug use
Russia could be banned from international athletics, including the 2016 Olympic Games, after an anti-doping commission report on Monday alleged widespread corruption and collusion that added up to a state-sponsored drugs culture in a sporting superpower.
