2 0 against wigan athletic. In one against wigan athletic. Good afternoon and welcome to bbc news. Us Vice President mike pence, whos on a visit to south korea, has warned that his countrys era of strategic patience with north korea is over. It comes as south korea and the United States agreed to speed up a Defence System designed to intercept north korean missiles, something china views as a threat to its own military. Stephen evans reports. The american Vice President went to the front line, the Demilitarised Zone between north and south korea, what he called the frontier of freedom. For him, the visit was personal because his father fought in the korean war. From the other side today, north korean guards looked back and took pictures. Vice president pences mission today, to affirm support for the alliance between the us and south korea. We will defeat any attack and we will meet any use of conventional or Nuclear Weapons with an overwhelming and effective response. Over the past 18