The Tokyo Games, from July 23 to Aug. 8, coincide with the year's hottest weather in Tokyo where the temperature can rise to 35 degree Celsius (95F) or more. The 1964 Tokyo Summer Olympics were held in October.
Lamine Diack, the former head of athletics' governing body, arrived in court in Paris on Monday to stand trial on charges of corruption, money laundering and breach of trust linked to a Russian doping scandal. Prosecutors allege he solicited 3.45 million euros ($3.9 million) from athletes suspected of doping to cover up the allegations and allow them to continue competing, including in the 2012 London Olympics.
Bach's two-day visit to Tokyo is likely to bolster Japan's efforts to stage the Olympics, but will do little to assuage the concerns of a public deeply worried about the spread of the virus.
The response of the government has been cautious so far.
Summary of sports events and persons who made news on Tuesday
Franz Beckenbauer, who headed the organising committee for the 2006 soccer World Cup rejected claims that a slush fund had been set up to buy votes and bring the tournament to Germany back in 2000.
The Paris 2024 organising committee in February proposed surfing, skateboarding and sport climbing as well as breakdancing for inclusion in the Games.
Frankfurt's state prosecutor will look into bribery allegations concerning the 2006 soccer World Cup after a magazine report suggested a slush fund had been used to buy votes for the German bid in 2000, an official said on Monday.
Tokyo prosecutors have questioned the president of the Japan Olympic Committee over controversial payments made to a Singaporean consulting firm during the bidding for the 2020 Summer Games, Kyodo News agency reported on Wednesday.
The Japanese Olympic Committee on Wednesday established a team to investigate whether any illegal payments were made during its successful bid for the Tokyo 2020 Olympics.
"It is clear that there was a slush fund for the German World Cup bid," Zwanziger told Der Spiegel magazine, which first reported the allegations last week.
Five sports, including baseball, skateboarding and surfing, are on track to feature at the 2020 Tokyo Olympics after the IOC on Wednesday recommended their inclusion to attract a younger audience, said a source close to the discussions.
Finds no cause to block Russia and Qatar World Cups
Japan's top government spokesman said on Thursday that Tokyo's campaign to host the 2020 Olympics had been clean.
Slush fund allegedly used to buy votes for the World Cup, claims report
The bid committee's members overwhelmingly preferred New Delhi over Hamilton, Canada.
A Japanese official who led the successful bid for the Tokyo 2020 Olympics said on Wednesday the Japanese Olympic Committee (JOC) plans to investigate the bidding.
The host for the 2010 Games will be named on November 13 in Jamaica.
The former South Africa President said hosting the 2010 soccer World Cup would be a perfect gift for the country as it celebrates 10 years of democracy.
Two South Korean government officials were handed suspended six-month prison sentences on Friday after they were found guilty of forging documents for southern city Gwangju's successful bid to host the 2019 World Aquatics Championships.
The International Olympic Committee (IOC) is looking into hosting rowing and canoe/kayak sprint events for the 2020 Summer Games in South Korea if agreement cannot be reached to keep the enue for the races in Tokyo, Japanese media said on Tuesday.
Former Olympic figure skating champion Kim Yuna will play the role of honorary ambassador for the 2018 Winter Olympics in South Korea's Pyeongchang.
Tokyo Governor Yoichi Masuzoe, under fire for using tax money to pay for family vacations and artwork, faces growing demands to quit over a scandal that may affect national elections and embarrass Tokyo as host of the 2020 Summer Olympics.
The report said there was no corruption in bidding process. It criticised England's bid for the 2018 tournament for "inappropriate requests" from former CONCACAF president Jack Warner, a FIFA powerbroker at the time, in what it said was "an apparent violation of bidding rules". However, the report said ethics investigator Michael Garcia intended to open formal investigations against individuals, who were not named.
'The stigma that FIFA is a corrupt body has to be erased once and for all. One fears that will not happen until Sepp Blatter goes'
Police raided the Frankfurt headquarters of Germany's football association (DFB) on Tuesday and searched the homes of officials to investigate suspected tax evasion linked to the awarding of the 2006 World Cup, prosecutors said.
International Olympic Committee (IOC) Vice President John Coates has urged Tokyo to consider moving more events to venues outside the capital, including one hundreds of kilometres away, in a bid to rein in spending for the 2020 Summer Games.
News of all that's transpired on and off the football field
Australian Olympic officials say they will oppose plans to stage the 2016 Rio Olympics swimming finals late at night.