N. Korea threatens more nukes
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North Korea warned it will double its nuclear deterrent force if the United States persists in challenging the North&#39;s nuclear-weapons programs.
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North Korea pledges to boost its "war deterrent", days after missing a deadline for declaring its nuclear activities.
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North Korea lashed out Tuesday at ongoing U.S.-South Korean military drills and warned that it could take retaliatory action amid renewed concern that the communist nation may be preparing to test a nuclear bomb.
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BEIJING  - Japanese negotiators told North Korea they had &quot;serious concern&quot; about its missile program in talks that extended for a second day in Beijing, a Japanese diplomat said.
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A defiant North Korea acknowledged for   the first time on Thursday that it had launched several   missiles, vowed to carry out more tests and threatened to use   force if the international community tried to stop it.
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The United States is insisting that  multiple facilities at North Korea&#39;s Yongbyon complex be shut  down, American officials said on Thursday, and these demands  could pose new pitfalls for the February 13 nuclear agreement.
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North Korea on Wednesday warned of a "nuclear arms race" in Northeast Asia following the recent revelation that South Korean scientists enriched a tiny amount of uranium four years ago, a news report said.
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North Korea threatened yesterday to turn Japan into a &quot;nuclear sea of fire&quot; if it comes under attack from the United States.
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North Korea's state media warned Friday the communist nation would bolster its "war deterrent," accusing the United States of plotting a nuclear war, as the world awaited Pyongyang's explanation about its failure to meet a nuclear deadline.
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North Korea has reportedly said it plans to extract more plutonium for use in nuclear weapons.
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North Korea threatened on Saturday to double the size of its nuclear deterrent if the United States did not drop what Pyongyang sees as a confrontational policy aimed at unseating the communist leadership there.
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North Korea says it has turned plutonium from 8,000 spent fuel rods into nuclear weapons.
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North Korea angrily mocked international criticism of its multiple missile tests, threatening on Thursday to fire off more rockets.
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North Korea said on Friday it had already given an account of its nuclear arms program as required under an international disarmament deal, while separately threatening to boost its "war deterrent".
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ELEANOR HALL: A huge explosion in North Korea near the border with China has sparked fears around the world about the communist regime&#39;s nuclear capacity.
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North Korea threatened on Saturday to  double the size of its nuclear deterrent if the United States  did not drop what Pyongyang sees as a confrontational policy  aimed at unseating the communist leadership there.
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North Korea may be preparing for another  missile test, Yonhap news reported on Sunday, after the  secretive state defied international warnings and launched  seven missiles in early July.