Japan's Osaka 'not sure' Olympics should happen as doubts grow

Olympic officials insist the Games can still be held safely even as doubts grow

The Olympic rings light up the Odaiba waterfront in Tokyo

Japanese superstar Naomi Osaka has admitted she is "not really sure" the coronavirus-hit Tokyo Olympics should go ahead, as doubts grow about the Games just weeks before the opening ceremony.

Nishikori said there "definitely should be a discussion" on whether Tokyo should plough ahead.