During Tokyo's scorching summer of 2018, a record 8,295 people in the metropolitan area were taken to hospitals by ambulances for suspected heat-related illnesses.
It is also planning to increase the number of rescue workers available during the 2020 Games through additional overtime shifts and by cooperating with local fire departments.
The Olympics and Paralympics are also expected to draw a large number of foreign tourists to Japan.
Tokyo ambulances transported 2,268 foreign tourists in 2017, as compared with 1,338 in 2013.
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