U.S. Ambassador to the United Nations Nikki Haley on Wednesday called on all countries to cut off all ties with North Korea, while warning Pyongyang that its regime will be "utterly destroyed" if a war breaks out.Haley also told the U.N. Security Council that the United States asked China to cut off oil supply to North Korea when U.S. President Donald Trump spoke by phone with his Chinese counterpart Xi Jinping earlier in the day."Today, we call on all nations to cut off all ties with North Korea," she said in an emergency meeting of the 15-member council that followed Pyongyang's latest lo…READ FULL ARTICLE