Rio 2016 President Carlos Nuzman claims water in the Guanabara Bay sailing venue will be "totally clean" by the end of this year, although he stopped short of fully guaranteeing that not a single athlete will become ill during next year's Olympics and Paralympics. 

Tokyo 2020's Executive Committee has taken the decision to scrap the Olympic and Paralympic emblem designed by Kenjiro Sano and conduct a Japan-wide competition for a new design in the wake of plagiarism allegations.

Tokyo 2020 has given its backing to their Olympic and Paralympic Games emblem design in the wake of plagiarism allegations.

Rio 2016, the International Olympic Committee (IOC) and sailing authorities have been accused of "not caring about athletes" by a prominent blogger as another sailor has complained of falling ill after competing at last week's test event on the polluted waters of Guanabara Bay. 

Los Angeles' bid to host the 2024 Summer Olympics and Paralympics has received another boost after the newly formed Ad-Hoc Committee of the City Council voted to back the bid.

Seating will be reduced by 15 per cent and costs cut by around 40 per cent as part of updated plans for Tokyo 2020's Olympic Stadium approved by the Japanese Government today, and it is hoped the venue will be ready in January 2020.

Los Angeles City Council today established an Ad Hoc Committee on the 2024 Olympics and Paralympics, a new group designed to scrutinise matters and contracts related to whether or not the city should bid for the Games.

Zaha Hadid Architects have launched a campaign to have its original design for the National Stadium in Tokyo built for the 2020 Olympic and Paralympic Games in the Japanese capital, promising they will modify some aspects of it to help keep costs down.

Lee Valley Regional Park Authority, who look after three of the venues used at the 2012 Olympic Games in London, have announced they have appointed Paul Osborn as their new chairman.

Los Angeles today published a new version of its bid to host the 2024 Olympics and Paralympics ahead of a crucial meeting tomorrow of the City's Council which is expected to give formal approval for the campaign. 

Japan today refused to commit to meeting a deadline set by the International Olympic Committee (IOC) that the new National Stadium will be completed by January 2020.

Pollution worries have been to the fore once again during the Rio 2016 sailing test event on Guanabara Bay, with concerns over rubbish remaining on the course as well as a lack of water quality monitoring from the Rio authorities.

Los Angeles' City Council is set to give a final green light to the city's bid for the 2024 Olympic and Paralympic Games next week, with greater details and documents associated with the attempt expected to be made public.

Concerns over pollution in Guanabara Bay have intensified after South Korean windsurfer Wonwoo Cho was taken to hospital during a Rio 2016 sailing test event. 

Tokyo 2020 has announced the appointment of Japan Post Holdings as an Official Partner in the category of "Postal Services".