FILE - A North Korean military guard post, top, and a South Korean post, bottom, are seen from Paju, South Korea, near the border with North Korea, Tuesday, June 18, 2024. South Korea’s military said Friday, June 21, 2024, that it again fired warnings shots to repel North Korean soldiers who temporarily crossed the rivals’ land border on Thursday for the third time this month.(AP Photo/Ahn Young-joon, File)