US Vice-President Mike Pence has said his country's "era of strategic patience" with North Korea is over. <br />Mr Pence first made the remarks at the demilitarised zone (DMZ), the area dividing the two Koreas, during a visit to South Korea to reaffirm ties. <br />His visit comes amid escalated tensions on the peninsula, with heated rhetoric from both North Korea and the US. <br />He arrived in Seoul on Sunday hours after North Korea carried out a failed missile launch. <br />On Monday, the US and South Korea launched a joint air force military exercise to ensure readiness against North Korea, according to South Korean media. <br />Mr Pence, whose father served in the Korean War, visited the truce village of Panmunjom, where the war's armistice was signed. <br />- BBC -
