North Korea has warned that “war may break out any moment” after South Korea allegedly flew drones into Pyongyang - and it retaliated by destroying roads linking the countries. The stark warning came after the country’s foreign ministry claimed that South Korean drones carrying propaganda leaflets critical of leader Kim Jong-un had flown over the North Korean capital Pyongyang three times. They claimed that the drones carrying leaflets filled with “inflammatory rumours and rubbish” were flown over the city on October 3, 9 and 10. The North then blew up sections of road that, while not in use, are seen...