North Korea has once again launched garbage balloons into South Korea, breaking a lull that has lasted since late September. According to local authorities, more than 60 of the "aircraft" have landed in and around Seoul, angering South Korean citizens and authorities.

The launch was the first since Sept. 22, when South Korea formally warned North Korea that such actions could lead to "decisive military action." However, Pyongyang ignored the threats and resumed its controversial practice, which is the latest element of tension on the Korean Peninsula.

Since the end of May, North Korea has already carried out 23 such launches, sending more than 5600 balloons loaded with various types of garbage and propaganda materials into South Korean territory. These actions are raising concerns not only because of their obvious provocative nature, but also because of the possible environmental and health risks posed by the large quantities of discarded materials.

South Korean military and government structures are considering options for responding to such provocations. Despite statements about possible tough measures, Seoul is currently continuing diplomatic efforts to resolve the conflict.