TOKYO, Japan (AFP) — A group of Japanese doctors on Wednesday urged Olympic organizers to start the Tokyo 2020 marathon as early as 5:30am, saying failure to do so could “lead to deaths” from heatstroke. The warning is the latest in a chorus of concern about how extreme heat could affect several sporting events at the Olympic games, particularly after Tokyo sweltered through a record heatwave this year. The International Olympic Committee (IOC) and Tokyo […]