Japan saw 10,804 heatstroke sufferers taken to hospital by ambulance in the week through Sunday, a new weekly record this year, according to the Fire and Disaster Management Agency.

The figure far surpassed the previous week¡¯s 5,309 amid a heat wave pushing up temperatures to 35 degrees Celsius and beyond in various parts of the country.

Tokyo¡¯s 1,099 was the largest number of such heatstroke sufferers. Saitama came second, with 750, followed by Hokkaido, where the reading jumped 2.8-fold to 690.

The agency is calling on people to use air conditioners and fans without hesitation and to stay hydrated.