The organising committee of the Tokyo Olympics will hold an executive board meeting and press conference on Monday amid expectations that the Games are set to be postponed.
Pressure to delay the world's biggest sporting event has ramped up significantly in recent days and weeks due to the ongoing coronavirus pandemic that has led to more than 15,000 deaths worldwide, strict restrictions on every day life in multiple countries and the shutdown of sport across the globe.
Japanese Prime Minister Shinzo Abe is expected to hold telephone discussions on the situation with International Olympic Committee (IOC) president Thomas Bach at 11am GMT on Tuesday.
On Monday, Abe suggested for the first time in a parliamentary session that the Olympic and Paralympic Games may have to be postponed.
"If I'm asked whether we can hold the Olympics at this point in time, I would have to say that the world is not in such a condition," he said.
"It's important that not only our country but also all the other participating countries can take part in the games fully prepared."
IOC member Dick Pound later said that postponement had now been decided upon, with the specific parameters yet to be determined.
On Sunday, the IOC announced that they were stepping up "scenario-planning" to consider various situations including the potential postponement of the Games, while insisting that cancellation was not on the agenda as they set a four-week deadline for a final decision.
Several individual National Olympic and Paralympic Committees have since called for the Games to be postponed by one year, with Canada announcing that they would not be sending athletes to an Olympics held this summer.
That was followed by Australia confirming they had instructed athletes to prepare for an Olympics taking place in 2021.
British Olympic Association (BOA) chairman Hugh Robertson said on Tuesday that a postponement was now "inevitable", adding that he did not think there was any way GB could send a team to an Olympics held this summer if the coronavirus pandemic continues as the Government currently predict.
World Athletics chairman Seb Coe has also written to IOC counterpart Bach to urge the postponement of Tokyo 2020.
Additional reporting by the Press Association.
