North Korea nuclear test a 'wake-up call' for the world

By James Pearson SEOUL (Reuters) - The head of an international body set up to monitor a planned ban on nuclear testing condemned North Korea's fourth nuclear test on Wednesday and called it a "wake-up call" for the international community. North Korea said it had successfully conducted a test of a miniaturised hydrogen nuclear device, which would mark a significant advance in the isolated state's technological capability. "This act constitutes a breach of the universally accepted norm against n