Meanwhile , Korean forces cease fire after North opens up on balloons with anti - aircraft guns . The balloons carried leaflets critical of the North , South Korean Defense Ministry says . The exchange occurred amid widespread speculation over the fate of the North 's missing troops . North Korea has also made some diplomatic overtures in recent days .
North , South Korea exchange fire after North opens up on balloons with anti-aircraft guns . The balloons carried leaflets critical of the North , South Korean Defense Ministry says . The exchange comes amid continuing speculation over the fate of the North 's missing leader . North Korea has also made some diplomatic overtures in recent days .