FILE - In this photo provided by Jeonbuk Fire Headquarters, balloons with trash presumably sent by North Korea, hang on electric wires as South Korean army soldiers stand guard in Muju, South Korea, on Wednesday, May 29, 2024. North Korea launched more trash-carrying balloons toward the South after a similar campaign earlier in the week, according to South Korea's military, in what Pyongyang calls retaliation for activists flying anti-North Korean leaflets across the border. (Jeonbuk Fire Headquarters via AP, File)