Temperatures neared 40 degrees Celsius in Wednesday's forecast for the Greater Seoul region, where South Korea's highest heat warning remains in effect. Daytime

South Korea hits a record 42.5°C in Yangsan as a fierce heatwave grips the nation, triggering emergency alerts and renewed climate change concerns.

The Korea Meteorological Administration issued a severe heat wave alert for the southern parts of the country as of 1 pm local time. | World News