“Although the measures we are taking may be difficult for the North Korean regime to endure, they will deliver messages of light and hope to the North Korean military and citizens,” it added.
In recent weeks, activists in the South have floated dozens of balloons bearing K-pop, dollar bills and anti-Kim Jong-un propaganda northwards, infuriating Pyongyang which has retaliated in kind.
South Korean soldiers check the trash from a balloon presumably sent by North Korea, in Incheon, South Korea. Photo: AP