MOSCOW (Sputnik) — North Korea has 'floated' threats of missile attacks against the South by placing the propaganda leaflets in a river and sending them downstream, the South Korean Joint Chiefs of Staff (JCS) said Wednesday.
According to Yonhap news agency, the leaflets made their way down the Han River. Previously, North Korea has not used a waterway for leaflet distribution.
On July 22, the South Korean military collected numerous air-filled vinyl bags containing Pyongyang's leaflets with threats of North Korea's possible missile attacks on its southern neighbor, a JCS spokesman was quoted as saying by the agency.
The JCS reportedly said the South Korean military would be on high alert for any other North Korean propaganda activities on the Han River and other areas.
Tensions on the Korean Peninsula escalated after North Korea successfully carried out a hydrogen bomb test in early January and put a satellite into orbit a month later, violating UN Security Council resolutions and triggering condemnation from the international community.
On July 19, North Korea fired three ballistic missiles into the sea to protest Washington and Seoul's plans to deploy a US anti-missile system in South Korea.
Since the Korean War, both sides have sent propaganda across the border, commonly using balloons. In the recent past, South Korean NGOs such as the group No Chain have sent balloons and drones over the Korean Demilitarized Zone. No Chain claims to have delivered more than 1,000 SD cards and flash drives containing cultural, social and political information via hexacopter drones, including movies, music and the Korean version of Wikipedia.