The U.S. says, if true, allegations that North Korea has the technology to build miniature nuclear weapons would be a clear violation of United Nations resolutions and the international order.
South Korea has strongly suggested North Korea has succeeded in miniaturizing weapons technology so a nuclear bomb could fit on an intercontinental missile.
South Korea also says Pyongyang has a cyberwarfare staff of 3,000.
U.S. State Department spokesperson Jen Psaki:
IN: "We don't....
OUT: ...South Korea."
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