North Korea has called on foreign residents in South Korea to consider evacuating because, it claims the situation on the Peninsula is "inching close to a thermonuclear war". The UN secretary General Ban Ki-moon has urged North Korea to refrain from provocative rhetoric. Lucy Williamson reports from Seoul.
![N Korea warns foreigners in S Korea](https://cdn-ak-scissors.b.st-hatena.com/image/square/f83eb16b1f820148b276b6bcf58196ceae9e8485/height=288;version=1;width=512/https%3A%2F%2Fichef.bbci.co.uk%2Fnews%2F1024%2Fmedia%2Fimages%2F66908000%2Fjpg%2F_66908220_nkoreatv.jpg)