North Korea said on Friday that the world would have to “wait and see” when asked for details of “a new form” of nuclear test it threatened to carry out after the United Nations Security Council condemned Pyongyang’s recent ballistic missile launch. North Korea (DPRK) fired two medium-range Rodong ballistic missiles into the sea on March 26. Its first firing in four years of mid-range missiles that can hit Japan followed a series of short-range rocket launches over the past two months. More