Sri Lanka, Aug. 6 -- A total of 21 people have died from heat-related illnesses in South Korea so far this year as the country grapples with intense heat, health authorities said Wednesday.

A total of 2,441 patients have visited emergency rooms for heat-related conditions as of Tuesday since mid-May, when authorities launched the heat-related illness surveillance system, according to the Korea Disease Control and Prevention Agency.

Although fewer people suffered heat-related illnesses this year than during the same period last year, more people died this year, with the death toll surpassing last year's total of 20.

One of the latest fatalities was a 60-year-old man, who was working outside on a farm in the county of Eumseong, North Chu...