With 100 days to go, Tokyo scrambles to stage pandemic Olympics

Tokyo Metropolitan Gymnasium which served as the main arena for Tokyo 1964 Olympics and will be hosting the gymnastics events and water polo for Tokyo 2020, is pictured in Tokyo, Japan, March 18, 2021. Picture taken on March 18, 2021. REUTERS/Kim Kyung-Hoon

TOKYO (Reuters) -When Japan won the bid to host the Olympic Games eight years ago, it billed Tokyo as a reliable and secure location, contrasting it with rivals struggling with finances and political instability.

But 100 days before the start of the Olympics, the organisers face a deluge of challenges and growing uncertainty as the pandemic rages around the world, affecting decisions on everything from athlete safety to spectator numbers to ticket sales.