UNITED NATIONS North Korea vowed on Friday to further strengthen its nuclear weapons capability, in spite of U.N. condemnation and sanctions, and said it would never abandon its deterrence while it was threatened by nuclear-armed states.
In an address to the United Nations General Assembly, North Korean Foreign Minister Ri Yong Ho described his country's nuclear weapons as "a righteous self-defense measure" against "constant nuclear threats of the United States."
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