Temperatures rose across Japan on Saturday to highs usually not seen until the height of summer, causing hundreds of people to be taken to hospitals and prompting the weather agency to issue heatstroke warnings.The city of Taketa in Oita Prefecture, southwestern Japan, marked 35.0 C, the hottest in the country this year, while more than 420 monitoring spots, including those in central Tokyo, Nagoya, Osaka and Fukuoka, all saw the mercury rise above 30.0 C.The number of people taken by ambulance to hospitals to be treated for heat-related illness reached at least 460 across the country, acco…READ FULL ARTICLE