North Korea calls US and South Korean training exercise a 'declaration of war' as troops prepare to carry out huge military exercise practising for a full-scale invasion

North Korea calls US and South Korean training exercise a 'declaration of war' as troops prepare to carry out huge military exercise practising for a full-scale invasion Tens of thousands of South Korean and US troops will carry out a large-scale military exercise to simulate an all-out attack by North Korea. The annual exercise is known as Ulchi Freedom.