Yangsan reached 42.5°C on Sunday, the highest temperature recorded in South Korea since modern observations began in 1904, according to both Times of India and Yonhap News. Goryeong County hit 41.2°C the same day, a heat-related death occurred in Incheon on Monday, and new highest-level warnings are set for parts of the Seoul region on Tuesday. Multiple additional claims remain unverified or disputed between the two sources.