Hundreds hospitalised in Japan heatwave 'disaster'
Japan is experiencing a severe heatwave that has resulted in over 450 hospitalizations in Tokyo in a single day. At least 14 deaths have been reported nationwide as authorities urge citizens to stay hydrated and use air conditioning.
Why it matters
The record-breaking temperatures highlight the increasing frequency and severity of extreme weather events linked to climate change.
More than 450 people received hospital treatment for heat-related issues in a single day in Tokyo — the highest number since records began 16 years ago, emergency services said on Thursday (July 23, 2026).
The figure was released as Japan sweltered in a heatwave that has killed at least 14 people over the past week.
A total of 453 people had hospital treatment for heat-related issues on Wednesday (July 22), the most since records began in 2010, the Tokyo Fire Department said. Emergency callouts were also at the highest level since at least 1963.
"We are urging people to stay hydrated and use air conditioners," a fire brigade spokesman told AFP .
The number of patients appeared to rise as temperatures climbed, with notable increases on Tuesday and Wednesday, the spokesman said.
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