S.Korea gravely concerned at North's test threat
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South Korea voiced grave concern on Wednesday over North Korea's plans to test a nuclear bomb and China urged restraint after the United States said the move would be "an unacceptable threat" to world peace.
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A huge explosion rocked North Korea last  week but U.S. and South Korean officials said on Sunday it was  unlikely to have been a nuclear weapons test despite the  appearance of a "peculiar cloud" over the area.
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WASHINGTON â North Korea, in its first reaction to evidence South Korean scientists conducted tests to enrich uranium, has accused Seoul of &quot;accelerating a nuclear-arms race&quot; in Northeast Asia.
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North Korea has a few more cards to play if it wants to turn up the tension generated by a series of missile tests. It could fire more missiles, threaten to stage a nuclear test, stage troop exercises near the border with South Korea or send up fighter jets in an attempt to harass U.S. spy planes.
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South Korean officials were very cautious when they were waiting for the outcome of the closely contested US presidential election, refraining from making any prediction or comments.
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Japan has warned North Korea it would view any test-fired missile landing on Japanese soil as an attack, after reports the secretive nation was preparing to jangle international nerves with a new missile launch.
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The United States has received indications North Korea might be trying to test a nuclear weapon, a senior Bush administration said Sunday.
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TOKYO, Oct. 3 -- North Korea on Tuesday vowed to conduct a nuclear test to bolster its defenses against the United States, dramatically raising tensions in the region and marking the communist government's first ever unambiguous public threat to demonstrate itself as a nuclear power.
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SEOUL, South Korea/Washington  - A huge explosion  rocked North Korea last week but U.S. and South Korean  officials said Sunday it was unlikely to have been a nuclear  weapons test despite the appearance of a "peculiar cloud" over  the area.
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The UN nuclear watchdog has said South Korea has been illegally conducting secret nuclear tests on a larger scale than Seoul had previously declared.
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Analysis: More tough talk, another provocation. What's behind Pyongyang's threat to test a nuclear weapon?
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Reclusive North Korea said on Tuesday it would conduct its first-ever nuclear test, blaming a U.S. "threat of nuclear war and sanctions" for forcing its hand.
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South Korea reacted with shock and suspicion on Friday to the first declaration from the reclusive North that it had nuclear weapons and had pulled out indefinitely from six-party disarmament talks.
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NORTH Korean missile bases are under close surveillance after increased activity detected by US and Japanese surveillance raised fears Pyongyang might be preparing to launch a missile across the Sea of Japan.
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The Bush administration said Tuesday that a North Korea nuclear test would be an "unacceptable threat to peace and stability" and further isolate Pyongyang from the rest of the world.
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North Korea has said that intensifying US hostility toward North Korea and the secret nuclear related experiments in South Korea constitute big stumbling blocks.
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North Korea has accused the South&#39;s navy of staging a serious provocation that could lead to a maritime conflict. Pyongyang&#39;s warning came after South Korean patrol boats fired