A visitor wearing a face mask uses binoculars to view from the Imjingak Pavilion in Paju, South Korea, Sunday, June 14, 2020. AP
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