Exclusive: South Korea’s Yoon warns of unprecedented response to North Korea nuclear test, calls on China to do more

SEOUL, Nov 29 (Reuters) - South Korean President Yoon Suk-yeol warned of an unprecedented joint response with allies if North Korea goes ahead with a nuclear test, and urged China to help dissuade the North from pursuing banned development of nuclear weapons and missiles.In a wide-ranging interview with Reuters on Monday, Yoon called on China, North Korea’s closest ally, to fulfil its responsibilities as a…