The International Olympic Committee has acted quickly, setting the new dates for the 2021 Olympic Games.

Tokyo 2020 organizers have set a four-week deadline in which to decide on a potential postponement of the Games, as the Covid-19 outbreak continues to threaten the event.

The Canadian and Australian Olympic Committees have decided not to send teams to the Tokyo 2020 games, urging the IOC to postpone the event for one year, due to a global health crisis that is "far more significant than sport."

The Russian delegation at the Pyeongchang Olympics has announced that one of its athletes has failed a drug test.

The eyes of the sporting world will be on the International Olympic Committee's headquarters in Lausanne on Tuesday evening when President Thomas Bach announces whether he and his board have banned Russia from the 2018 Winter Olympics.

Casey Wasserman, LA 2024 chairman and CEO of Wasserman Media Group, describes Los Angeles' Olympic bid and what sets it apart. USA TODAY Sports

Russian athletes have been banned from competing at the Rio 2016 Paralympics following the country's doping scandal.

That day in 2009 – celebrating the chance to redefine this city and country – seems a long, long time ago.

Officials backing away from previous goal of opening up games to broader selection of cities.

The International Olympic Committee (IOC) had nothing to do with the timing and reasons for the publication of the World Anti-Doping Agency’s McLaren report, which led to over a hundred Russian athletes being banned from the Olympics, IOC president Thomas Bach said.

Russian President Vladimir Putin says medals won at Rio 2016 will be devalued by the banning of Russian competitors.

Olympic organisers have been accused of a lack of leadership and creating a "confusing mess" over the Russia decision.