Usain Bolt and Tyson Gay safely negotiated the first heats of the 100 metres on Saturday but former world record holder Asafa Powell had a real scare on the opening day of the world athletics championships.
Italian anti-doping authorities have called for two-year bans on 26 athletes, including Olympic bronze medallist Fabrizio Donato and European champion long jumper Andrew Howe, for allegedly failing to provide doping samples.
Factbox on American Justin Gatlin who won the 100 metres gold at the World Athletics Championships on Saturday at the age of 35.
Reaction to Gatlin's win and Bolt's surprise defeat:
Former World Anti-Doping Agency president Dick Pound believes world athletics chief Sebastian Coe is under mounting pressure to find a way for suspended Russian track and field athletes to compete at the Rio Olympics.
Nirmala Sheoran produced a forgettable performance in the women's 400m semi-finals to finish among the bottom trio as India's disappointing show in the World Athletics Championships continued on the fourth day on Monday.
Triple Olympic and world champion Usain Bolt said on Monday that while he may try out the long jump it will not be in the near future.
Jamaican Usain Bolt capped a remarkable year by storming to victory in the 200 metres at the World Athletics Final on Sunday.
A sweeping reform package that changes how the scandal-hit governing body of world athletics operates was overwhelmingly passed at a special Congress on Saturday.
Summary of sports events and persons who made news on Monday
Six-time Olympic gold medallist Usain Bolt won the men's 100m at the World Athletics Championships, breezing home in 9.78 seconds in Moscow on Sunday night. Justin Gatlin of the United States was second in 9.85 seconds while and Nesta Carter of Jamaica was third in 9.95.
Double defending champion Trey Hardee was dumped out of the decathlon on the opening day of the world championships on Saturday as he no-heighted in a dramatic high-jump competition.
Summary of sports events and persons who made news on Thursday
'After I won the final I gave my father a call.' 'He said the family had followed my progress on TV and saw that I had won.' '"We are going to sleep now," he said.' 'I told him 'I am a world champion and you are going to sleep!'
The Kremlin on Tuesday dismissed allegations from the World Anti-Doping Agency that Russian athletes were guilty of using banned performance-enhancing substances on a large-scale, saying the assertions were groundless.
25-year-old Ethiopian Kenenisa Bekele remains unbeaten in all his eight 10,000m races including the 2004 Athens Olympics.
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.
Triple jumper Renjith Maheswary finished sixth in the heats and the women's 4x400m relay team last as India's campaign in the World Athletics Championships ended in Moscow on Friday.
'Our lawyers expect to present argument in the case on Monday and they (the lawyers) will deal with the matter accordingly'
Russia still needs to demonstrate a "cultural shift" in its commitment to clean sport if its track and field athletes hope to compete under the nation's flag again, IAAF President Sebastian Coe said on Friday.
A big prize is up for grabs and competition in fierce in the world of athletics as Usain Bolt, the world's fastest man, joined world high jump champion Bohdan Bondarenko and double Olympic and world 10,000 and 5,000 metres champion Mo Farah in the shortlist for the male Athlete of the Year award announced on Monday.
Barred from international competition, Russia is training its athletes at a series of special domestic tournaments and banking on hopes a doping ban will be lifted in time for this year's Rio Olympics.
The discus thrower, suspended for a positive dope test at the World Championships, filed her written submission to the AFI panel hearing her case.
Qatar hold off for a later edition after two failed attempts to land sport's greatest spectacle
According to reports, Anju (finished 5th) along with fellow long jumpers, Australia's Bronwyn Thompson (4th) and England's Jade Johnson (6th), have urged a probe into the long jump event at the Athens Olympics. The trio has alleged that the performance of the Russians - Tatyana Lebedeva, Irina Meleshina and Tatyana Kotova - who were on the podium at Athens 2004, - were not clean as they had been banned later for failing dope tests.
Usain Bolt once again produced his best when it mattered most to retain his 100 metres world title and reassert his status as the number one sprinter on the planet at a rocking Bird's Nest Stadium on Sunday night.
In-form American Justin Gatlin should beat Usain Bolt to win both the sprints at the World Athletics Championships but it would be foolhardy to write off the Jamaican, three-times world 100 metres World champion Maurice Greene said on Friday.
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.
Even with three stitches in his spiked left leg and suffering from a bruised left knee, the legacy of his turbulent 10,000 metres triumph on Friday, Britain's endurance maestro had the quality and nous to qualify easily for Saturday's final.
Summary of sports events and persons who made news on Friday.
Usain Bolt was beaten into bronze medal position by Justin Gatlin and Christian Coleman who won gold and silver respectively in the World Championships 100 metres final.
The Jamaican is seeking his fourth gold in the event - he has won the 100m at every world championships since 2009 apart from 2011 in Daegu when he was disqualified for a false start.
The Canadian was expected to be Bolt's main rival for his 100 metres crown in the Jamaican's farewell championship but he suffered a hamstring strain in training on Monday and will miss the rest of the season.
Usain Bolt's rivals will, for once, be glad to see the back of a man who has dominated global sprinting for the last decade but the sport of athletics will be far less enthusiastic about bidding a final farewell to the charismatic Jamaican.
Cape Town-born Van Niekerk is the reigning 400m world champion and he broke Michael Johnson's 17-year-old world record to win Olympic Gold in Rio de Janeiro last year.
A round-up of all the results from the 17th World Athletic Championships in London
Out of the two world records held by track superstar Usain Bolt, his 100m dash timing of 9.58 seconds stands more likely to be broken than the 200m mark of 19.19secs, his fellow Jamaican sprinter Asafa Powell said on Friday.
Olympic double sprint silver medallist Yohan Blake will only run in the 100 metres at the World Athletics Championships in Moscow after he withdrew from this weekend's Jamaican national championships, his manager said on Tuesday.
Usain Bolt, Ashton Eaton and Christian Taylor are the finalists for the 2015 World Athlete of the Year award, the International Association of Athletics Federations (IAAF) said on Wednesday.
'What will happen? Yes, nothing will happen. Athletics will develop, the guys will train. Well, they will miss maybe one tournament'