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South Korea's military estimates North Korea has planted about 960,000 land mines inside the Demilitarized Zone since 2024, lawmakers reported on Oct. 23. Yonhap and KBS World report the figure, based on surveillance analysis of North Korean mining methods and frequency, is part of Pyongyang's border fortification after it declared South Korea a hostile state. The Dong-A Ilbo notes this is nearly half of the roughly 2 million mines believed buried across the DMZ. In response, South Korea has sent a letter to the U.N. Security Council president urging North Korea to apologize for a Sept. 21 mine blast and take responsibility for violating the armistice, according to Korea Times and KBS World.