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South Korea has sent a letter to the president of the U.N. Security Council (UNSC) urging North Korea to take responsibility for last month's land mine explosions in the Demilitarized Zone (DMZ) that injured three South Korean soldiers, and to apologize for violating the Korean War Armistice Agreement. Yonhap reports the foreign ministry confirmed the letter was sent on Oct. 22, while KBS World notes the move follows Pyongyang's escalatory actions near the border. The unification ministry separately urged North Korea to halt acts that raise cross-border tensions and breach the armistice near the Military Demarcation Line. The letter calls on the North to acknowledge its violation and take responsibility, with officials framing it as a step to hold Pyongyang accountable internationally.