The Fire and Disaster Management Agency announced Tuesday that 291 people were taken to hospital nationwide to be treated for heatstroke during the week from May 19 to May 25.
According to the agency, 145 were over 65 years old.
By prefecture, 24 cases were reported in Saitama Prefecture -- the highest number -- followed by 21 each in Aichi and Okayama prefectures.
The agency started releasing figures on heatstroke patients a week earlier than last year. It will release the data each Tuesday on its website.
Last year, more than 50,000 people were taken to hospital to be treated for heatstroke between May and September, according to the agency.© Japan Today