South Korea has had enough experience of how unpleasant it is and how much effort it takes to collect trash after North Korea sent 15 tons of it using 3,500 balloons, the North's vice-minister of defence Kim Kang Il said in a statement carried by state media outlet KCNA.
South Korea said it would take "unendurable" measures against North Korea for sending the trash balloons over the border, which could include blaring propaganda from loudspeakers directed at the North.
The announcement from President Yoon Suk Yeol's office followed a meeting of his National Security Council on a response to what Seoul said were more than 700 balloons carrying trash that Pyongyang sent over the heavily fortified border to annoy its neighbour.
AzVision.az
More about: NorthKorea SouthKorea