It's a scorching hot Sunday in Korea, with most parts of the country under a heatwave warning. The daily high is expected to reach 35 degrees Celsius in Seoul and Daegu,... and 36 degrees in the central cities of Daejeon and Sejong. It will be slightly cooler along the coastal areas including Pohang and Sokcho. The weather agency says there also could be sudden downpours and thunder during the afternoon, so be careful if you're out and about today.