Max Whitlock knows a delayed Olympic Games means defending his titles will be even more difficult in Tokyo.
On Wednesday the International Olympic Committee President, Thomas Bach, suggested they could even take place as early as next spring.
The calls to postpone Tokyo 2020 by a year are growing from those within athletics, meaning the IOC needs to act, writes Steve Scott.
Toshiro Muto sounded a grave note speaking at a meeting with officials of the International Paralympic Committee.
As 11-year-old skateboarder Sky Brown aims to become the youngest ever summer Olympian, we look at Britain's other youngest sports stars.
The Olympic Games head to Japan next year and, of course, the stadia are already ready. But not everything in the build-up has gone to plan.