Defense Minister Kang Shin-chul answers lawmakers’ questions during a parliamentary audit of the defense ministry at its headquarters in Yongsan District, Seoul, Wednesday. Joint Press Corps South Korea’s military identified suspected North Korean mine-laying activity south of the Military Demarcation Line (MDL) and reported it to senior defense officials a year before an explosion injured three soldiers, documents released during a parliamentary audit showed Wednesday.According to documents the Joint Chiefs of Staff (JCS) submitted to Rep. Yu Yong-weon of the main opposition People Power Party, satellite imagery collected on Sept. 23, 2025, showed suspected mine-laying south of the MDL in…