A couple watches the North Korea side from the Unification Observation Post in Paju, South Korea, near the border with North Korea, Sunday, July 21, 2024. (AP Photo/Ahn Young-joon)
FILE - A balloon presumably sent by North Korea, is seen in a paddy field in Incheon, South Korea, on June 10, 2024. North Korea launched more balloons likely carrying rubbish toward South Korea on Sunday, July 21, two days after the South restarted blaring anti-Pyongyang propaganda broadcasts across the border in retaliation for the North’s repeated balloon campaigns, Seoul officials said.(Im Sun-suk/Yonhap via AP, File)
FILE - A worker dismantles loudspeakers that set up for propaganda broadcasts near the demilitarized zone separating the two Koreas in Paju, South Korea, on May 1, 2018. South Korea said Friday, July 19, 2024, it has restarted anti-Pyongyang propaganda broadcasts across the border in response to North Korea’s resumption of trash-carrying balloon launches. (Kim Hong-Ji/Pool Photo via AP, File)
This photo provided by the South Korea Defense Ministry shows trash from a balloon in Paju, South Korea, near the border with North Korea, Sunday, July 21, 2024, presumably sent from North Korea. (South Korea Defense Ministry via AP)
Visitors watch the North Korea side from the Unification Observation Post in Paju, South Korea, near the border with North Korea, Sunday, July 21, 2024. (AP Photo/Ahn Young-joon)
South Korean army soldiers patrol along the barbed-wire fence in Paju, South Korea, near the border with North Korea, Sunday, July 21, 2024. (AP Photo/Ahn Young-joon)
Visitors watch the North Korea side from the Unification Observation Post in Paju, South Korea, near the border with North Korea, Sunday, July 21, 2024. (AP Photo/Ahn Young-joon)
A North Korean military guard post, top, and South Korean military vehicle, bottom, are seen from Paju, South Korea, near the border with North Korea, Sunday, July 21, 2024. (AP Photo/Ahn Young-joon)
North Koreans work on a field near a North Korean military guard post, seen from the Unification Observation Post in Paju, South Korea, near the border with North Korea, Sunday, July 21, 2024. (AP Photo/Ahn Young-joon)