Reports in Russian newspaper Pravda Report claim more than 600,000 people - around 25 per cent of the city’s population - are being urgently evacuated, as tensions escalate between North Korea and the United States. According to South Korean media, residents in the kingdom have said goodbye to each other, sparking concerns the tyrannical leader could be about to act after months of nuclear weapon testing. Foreign reporters have been told to prepare for a “big and important event" on North Korea's biggest national celebration, called ‘Day of the Sun’. A tweet from Channel NewsAsia’s Beijing Correspondent Jeremy Koh said: “We’ve been told to be ready to move out at 6.20am, but no idea why. Also, no cell phones allowed.” More than 200 foreign journalists are in Pyongyang as the country marks the…