U.S. calls on North Korea to account for uranium
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The United States expects North Korea to  fully account for its program to enrich uranium for nuclear  weapons as a part of the deal it struck to start scrapping its  atomic arms, a senior official said on Tuesday.
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The United States urged reclusive North Korea to get out of the "nuclear business" on Thursday after listing luxury goods such as cognac, cigars and jet skis it seeks to keep out of the country under U.N. trade sanctions.
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North Korea accused the United States of applying a double standard on the Korean Peninsula and warned Wednesday of a nuclear arms race in Northeast Asia following the revelation that South Korean scientists enriched a tiny amount of uranium in 2000.
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North Korea's nuclear envoy demanded Saturday that his country be given power-generating reactors as a reward for eventually dismantling its own atomic programs.
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North Korea has turned the enriched uranium from 8,000 spent nuclear fuel rods into weapons to serve as a deterrent against a possible nuclear strike by the United States, a North Korean minister said Monday.
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U.S. scientists have discovered traces of enriched uranium on smelted aluminum tubing provided by North Korea, apparently contradicting Pyongyang's denial that it had a clandestine nuclear program, according to U.S. and diplomatic sources.
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North Korea appears to have received funds it demanded be returned before closing a nuclear reactor and now needs to move quickly to shut down its source of bomb-grade plutonium, a top U.S. nuclear envoy said on Monday.
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A top South Korean official on Sunday urged the United States to engage diplomatically with North Korea to resolve a dispute over the North's nuclear weapons program, comparing such a policy to President Nixon's decision to recognize China in the 1970s.
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North Korea has set tough terms for a freeze of one of its nuclear facilities, demanding that the United States exceed commitments made under a Clinton-era deal that the Bush administration previously derided as inadequate.
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UNITED NATIONS, New York North Korea says its effort to produce plutonium for nuclear weapons is meant to serve as a deterrent against increasing US nuclear threats and to prevent a nuclear war in northeast Asia.
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North Korea is proposing to shutter its main nuclear reactor and allow U.N. monitoring in return for massive energy shipments and normal relations with the United States, according to an American nuclear expert who visited Pyongyang last week.
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By acknowledging doubts about what  it knows of North Korea's uranium enrichment program, the  United States aims to set the record straight and ease  resolution of an issue that has been a key obstacle to a  nuclear agreement since 2002, U.S. officials and experts say.
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Secretary of State Colin Powell sought South Korea's support on Tuesday for a U.S. hard line on Pyongyang's nuclear programs as Seoul stepped up security along its border with North Korea due to a suspected infiltration.
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The top U.S. point man with North   Korea will urge Asian powers to end arms-related trade with   Pyongyang as ordered by the U.N. on a tour of the region next   week, U.S. officials say.
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Secretary of State Colin Powell sought  South Korea's support on Tuesday for a U.S. hard line on North  Korea after China said Washington must be more flexible to  entice the reclusive state back to nuclear arms talks.
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North Korea's obligatory declaration of its nuclear programs under a disarmament pact must include its secret uranium enrichment, the U.S. envoy in talks with Pyongyang said on Tuesday.
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The United States on Friday called on North Korea to declare its nuclear programs after Pyongyang missed a December 31 deadline for the declaration, which had been demanded in a disarmament-for-aid deal.