A visitor wearing a face mask uses binoculars to view from the Imjingak Pavilion in Paju, South Korea, Sunday, June 14, 2020. South Korea on Sunday convened an emergency security meeting and urged North Korea to uphold reconciliation agreements, hours after the North threatened to demolish a liaison office and take military action against its rival. (AP Photo/Lee Jin-man)
A visitor wearing a face mask uses binoculars to view from the Imjingak Pavilion in Paju, South Korea, Sunday, June 14, 2020. AP

North Korea warns of retaliatory actions over defectors in South