A look at the 10 cricketers who were punished for drug related offences.
Floyd Landis is likely to lose his Tour de France title after he failed the second drugs test.
The ex-CM said he had the honesty to face the protesters. He said the government should hold a dialogue with locals before coming up with any project.
Dope-tainted Pakistan fast bowler Mohammad Asif has vowed to lay bare his "drug dramas" after he tested positive for a banned steroid during the inaugural Indian Premier League (IPL) in 2008.
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.
Tamil Nadu Governor R N Ravi on Friday re-allocated the portfolios held by arrested state Minister V Senthil Balaji, on the recommendations of Chief Minister M K Stalin but "has not agreed" to the minister continuing in the cabinet, the Raj Bhavan said.
Shortly after her arrest on Tuesday in a drugs case linked to her boyfriend and actor Sushant Singh Rajput's death, she was sent in judicial custody till September 22 by a local court.
According to respective company sources, Biological E is holding 200 million doses of its COVID-19 vaccine Corbevax while Bharat Biotech is sitting on a stockpile of 50 million doses of Covaxin.
Indian racer Arjun Maini made a strong start to his highly-anticipated debut in the European LeMans Series, recording the second fastest laptime in the qualifying session of the race.
Russia's Darya Klishina booked a place in the Olympic long jump final on Tuesday, keeping alive her country's slim hopes of an athletics medal in Rio following the exclusion of its track and field squad over doping allegations.
Shoaib Akhtar, sent home from the Champions Trophy after failing a drugs test, could have taken nandrolone inadvertently while being treated with herbal medicine, his doctor said.
World triathlon champion Tim Don has been given a three-month ban for missing three drugs tests and faces a lifetime ban from the Olympics.
Cricket Australia said it will review its existing policies and codes.
Yulimar Rojas of Venezuela soared to her fourth consecutive world triple jump title on Friday.
Thirty one athletes from six sports could be banned from this year's Rio de Janeiro Olympics after 454 doping samples were re-tested from the 2008 Beijing Olympics, the International Olympic Committee said on Tuesday.
The World Anti-Doping Authority's prescribed testing is 'ineffective' at catching drug cheats and should be supplemented by criminal penalties for athletes who refuse to cooperate with investigations, Australia's Olympic chief has said.
Several athletes who competed in the world championships in August have tested positive for the new designer steroid THG.
James Toney has been suspended for 90 days by the New York State Athletic Commission on Wednesday.
The Indian hockey player said he was informed about testing positive for a banned drug before the Olympic qualifier by coach Rajinder Singh.
Briton's Andy Murray was awarded an OBE by the Duke of Cambridge, Prince William, at a ceremony at Buckingham Palace on Thursday.
One of Maria Sharapova's biggest sponsors, Nike Inc., said it was suspending ties while the case is being investigated.
The researchers found that after being exposed to high levels of the novel coronavirus, none of the six monkeys that were given the vaccine developed viral pneumonia. Also, there was no sign that the vaccine had made the animals more vulnerable.
The IOC said that the disciplinary commission will have "the right to ask for disclosure of any and all documents, for the hearing of witnesses and experts if necessary".
The Manchester United defender said he considered retiring from the international arena after being banned from all soccer for eight months for missing a drugs test.
Italian bobsleigh athlete William Frullani has tested positive for a banned substance at the Sochi Winter Olympics and will not compete with the team on Sunday, Italian officials said on Friday.
India's drug regulator Drugs Controller General of India has granted permission to Mumbai-based pharmaceutical company Cipla to import Moderna's COVID-19 vaccine for restricted emergency use in the country, official sources said on Tuesday.