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South Korea plans to send a letter to the president of the U.N. Security Council urging North Korea to apologize for last month's land mine blast in the Demilitarized Zone and take responsibility for its violation of the Korean War Armistice, Yonhap and the Korea Times report. Foreign ministry spokesperson Park Doo-soon said the permanent representative to the U.N. will deliver the letter on Oct. 22, according to KBS World. The deputy commander of the U.S.-led U.N. Command stressed the need for a "careful and transparent" approach in addressing incidents along the inter-Korean border, Yonhap reports. The main opposition People Power Party urged the government to resume loudspeaker broadcasts against North Korea over the blast.