US envoy to the UN Nikki Haley says China must decide on further action against North Korea over its missile programmes. The Pentagon and South Korean military believe Friday's test was an ICBM. [KCNA via Reuters] The United States is "done talking about North Korea" and China must decide if it is willing to back imposing stronger United Nations sanctions on North Korea over its two long-range missile tests this month, US Ambassador to the United Nations Nikki Haley said on Sunday. Haley said in a statement that any new UN Security Council resolution "that does not significantly increase the international pressure on North Korea is of no value". The United States flew two supersonic B-1B bombers as a show of force after Pyongyang fired a second intercontinental ballistic missile (ICBM) on Friday. "China must decide whether it is finally willing to take this vital step. The time for talk is over," she said. The Chinese mission to the UN did