Four prospective host cities for the 2024 Olympics have met the deadline to submit their initial candidature files to the International Olympic Committee on Wednesday in Lausannne.
Los Angeles, Rome, Budapest and Paris are all in the running to stage the Games, with the final decision due at the IOC Session in Lima in September next year.
The first part of the candidature files submitted on Wednesday concerned the respective cities' "Vision, Concept and Strategy" for hosting the Games, with the next stage due on October 7.
IOC president Thomas Bach said: ""Los Angeles, Rome, Budapest and Paris are all submitting projects fully in line with Olympic Agenda 2020.
"It is impressive to see how they have incorporated the Olympic project into the long-term development plans of their city, region and country. Coming from different starting points, for all four there is a clear focus on sustainable development, legacy and in particular how the facilities are going to be used after the Olympic Games.
"We are delighted to have four extremely strong candidatures and look forward to a fascinating competition."
European Athletics president Svein Arne Hansen does not expect Russia to return to international competition in time to take part in next year's Rio Olympics.
Russia's athletics federation has been banned by the IAAF following allegations of widespread doping, and must meet a series of conditions before being readmitted.
However, Hansen does not believe there is enough time for Russia to complete the process before the Olympic Games begin in August.
"For the moment they have to fulfil the conditions, but I cannot really see them competing in Rio," Hansen said in Athletics Weekly magazine.
"They must have a cultural change. They must get rid of all those people from before.
"We know some good people in Russian athletics and I'm sure they will be elected. We hope that some new people will come in who really understand that this must be changed."
An IAAF inspection team is due to visit Russia in January, and could then report back to the IAAF Council at its next meeting on March 27.
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Alistair and Jonny Brownlee have both been pre-selected for next year's Rio Olympics despite failing to meet British Triathlon's automatic qualification criteria.
The London 2012 gold and bronze medallists join Non Stanford and Vicky Holland, who guaranteed their places in the team by winning medals at both the test event and the World Triathlon Series grand final in Chicago this summer.
Both Brownlee brothers endured seasons blighted by injury, with Alistair opting to undergo surgery on his troublesome ankle after finishing 10th in the test event.
Jonny missed that race because of a stress fracture and, although he did compete in Chicago, he was not back to full fitness and came home 12th.
But the British Triathlon Olympic nomination committee pre-selected the pair based on evidence of their ability to win a medal at the Olympics.
One space in each of the men's and women's team remains open, with the final nominations due to be announced next June.
Commonwealth champion Jodie Stimpson and two-time former world champion Helen Jenkins look set to do battle for the final women's spot, while the third man could well be an athlete selected to help the Brownlees.
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Beijing has won the right to host the 2022 Winter Olympics.
The International Olympic Committee (IOC) voted in favour of the Chinese capital, who were up against Kazakhstan's largest city, Astana.
A secret ballot took place between IOC members in Kuala Lumpur, Malaysia, this morning.
Beijing becomes the first city awarded the rights to stage the summer and winter games after hosting the 2008 Summer Olympics.
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Paris will once again bid for the Olympic Games, it has been confirmed.
The French capital has previously failed to procure the 1992, 2008 and 2012 games, having last held them in 1924.
Bernard Lapasset, who will lead the campaign, said: "Paris is delighted to officially confirm its bid for the 2024 Olympic and Paralympic Games - an important first milestone as our host city campaign journey commences.
"We believe that this bid and our goal to host the 2024 Games will excite, unite and enthuse the people of Paris, our entire nation and lovers of Olympic and Paralympic sport all over the world."