https://cdnph.upi.com/ph/st/th/1861784663137/2026/upi_com/e776beba577009772e3208dec549c339/v1.5/South-Korea-protests-North-Koreas-unannounced-dam-release.jpg" /> South Korea urged North Korea to cooperate on flood prevention after Pyongyang released water from Hwanggang Dam without providing advance notice.