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North Korea conducts nuclear test North Korea conducts nuclear test
(40 minutes later)
North Korea has staged a "successful" underground nuclear test, the state-run KCNA agency reports.North Korea has staged a "successful" underground nuclear test, the state-run KCNA agency reports.
The agency says it was more powerful than the previous one in October 2006.The agency says it was more powerful than the previous one in October 2006.
A number of external agencies have confirmed a powerful explosion took place, suspected to be associated with a nuclear test.
US President Barack Obama described the North Korean action as a threat to international peace. Crisis talks were being held in South Korea.US President Barack Obama described the North Korean action as a threat to international peace. Crisis talks were being held in South Korea.
Just hours after the test, North Korea appeared to have test-fired a short-range missile, South Korea's Yonhap news agency reported.
Pyongyang has so far not commented on Yonhap's unconfirmed report.
Preparations for an emergency meeting of the UN Security Council later on Monday are under way.Preparations for an emergency meeting of the UN Security Council later on Monday are under way.
'Safeguarding sovereignty''Safeguarding sovereignty'
Japanese Foreign Ministry: "We'll respond in a responsible manner"
An official communique read out on North Korean state radio said another round of underground nuclear testing had been "successfully conducted... as part of measures to enhance the Republic's self-defensive nuclear deterrent in all directions".An official communique read out on North Korean state radio said another round of underground nuclear testing had been "successfully conducted... as part of measures to enhance the Republic's self-defensive nuclear deterrent in all directions".
It said the test had been "safely conducted at a new high level in terms of explosive power and control technology".It said the test had been "safely conducted at a new high level in terms of explosive power and control technology".
Japanese Foreign Ministry: "We'll respond in a responsible manner"
The test would "contribute to safeguard the sovereignty of the country and the nation and socialism", the communique said.The test would "contribute to safeguard the sovereignty of the country and the nation and socialism", the communique said.
NUCLEAR CRISIS Oct 2006 - North Korea conducts an underground nuclear testFeb 2007 - North Korea agrees to close its main nuclear reactor in exchange for fuel aidJune 2007 - North Korea shuts its main Yongbyon reactorJune 2008 - North Korea makes its long-awaited declaration of nuclear assetsOct 2008 - The US removes North Korea from its list of countries which sponsor terrorismDec 2008 - Pyongyang slows work to dismantle its nuclear programme after a US decision to suspend energy aidJan 2009 - The North says it is scrapping all military and political deals with the South, accusing it of "hostile intent"April 2009 - Pyongyang launches a rocket carrying what it says is a communications satellite25 May 2009 - North Korea conducts a second nuclear test In quotes: Reaction to N Korea test Engage, appease, oppose? N Korea a problem for Obama Timeline: North Korea
The US Geological Survey said a 4.7-magnitude quake was detected at 0054 GMT, 10km (six miles) underground.The US Geological Survey said a 4.7-magnitude quake was detected at 0054 GMT, 10km (six miles) underground.
Geological agencies in both South Korea and the US said the tremor indicated a nuclear explosion, and the Russian defence ministry also confirmed a test had taken place. Geological agencies in both South Korea and the US said the tremor indicated a nuclear explosion.
Japanese Foreign Ministry spokesman Kazuo Kodama said Tokyo would respond "in a responsible fashion" at the UN, without giving further details. Russian news agencies quoted the defence ministry as saying said its systems had detected a blast of "between 10 and 20 kilotons" - making it much bigger than the 2006 test, which the US said was less than a kiloton.
The European Union said that the development was "very worrying". NUCLEAR CRISIS Oct 2006 - North Korea conducts an underground nuclear testFeb 2007 - North Korea agrees to close its main nuclear reactor in exchange for fuel aidJune 2007 - North Korea shuts its main Yongbyon reactorJune 2008 - North Korea makes its long-awaited declaration of nuclear assetsOct 2008 - The US removes North Korea from its list of countries which sponsor terrorismDec 2008 - Pyongyang slows work to dismantle its nuclear programme after a US decision to suspend energy aidJan 2009 - The North says it is scrapping all military and political deals with the South, accusing it of "hostile intent"April 2009 - Pyongyang launches a rocket carrying what it says is a communications satellite25 May 2009 - North Korea conducts a second nuclear test class="" href="/1/hi/world/asia-pacific/8066676.stm">In quotes: Reaction to N Korea test class="" href="/1/hi/world/asia-pacific/7997872.stm">Engage, appease, oppose? class="" href="/1/hi/world/asia-pacific/7985336.stm">N Korea a problem for Obama class="" href="/1/hi/world/asia-pacific/country_profiles/1132268.stm">Timeline: North Korea
Just hours after the test, North Korea appeared to have test-fired a short-range missile, South Korea's Yonhap news agency reported.
Pyongyang has so far not commented on Yonhap's report.
The US state department said it was still analysing the available data from the test.
But in a strongly worded statement, President Obama said the North's pursuit of nuclear weapons and ballistic missiles threatened peace and was in "blatant defiance of the United Nations Security Council".
"The danger posed by North Korea's threatening activities warrants action by the international community. We have been and will continue working with our allies and partners in the six-party talks as well as other members of the UN Security Council in the days ahead," his statement said.
Japan's Chief Cabinet Secretary Takeo Kawamura said any nuclear test by the North would be "unacceptable". Another government spokesman said action would be sought at the UN Security Council.
Russia's UN ambassador said an emergency meeting of the Security Council would be held later on Monday.Russia's UN ambassador said an emergency meeting of the Security Council would be held later on Monday.
Washington - which says it is still analysing the available data on the test - had already warned of consequences if North Korea went ahead with a threatened nuclear test. The European Union said that the development was "very worrying".
South Korea's stock market fell 4% on the news, over fears that regional tensions would rise.South Korea's stock market fell 4% on the news, over fears that regional tensions would rise.
Rocket condemnationRocket condemnation
The North gave no details of the location of the test.The North gave no details of the location of the test.
However, South Korean officials said earlier that a seismic tremor was detected in the north-eastern part around the town of Kilju - the site of North Korea's first nuclear test.However, South Korean officials said earlier that a seismic tremor was detected in the north-eastern part around the town of Kilju - the site of North Korea's first nuclear test.
Last month, Pyongyang pulled out of six-party talks on its nuclear programme, in protest against international condemnation of its test-firing of a rocket on 5 April.Last month, Pyongyang pulled out of six-party talks on its nuclear programme, in protest against international condemnation of its test-firing of a rocket on 5 April.
The UN Security Council adopted a statement calling on North Korea to comply with a 2006 resolution banning missile tests.The UN Security Council adopted a statement calling on North Korea to comply with a 2006 resolution banning missile tests.
Pyongyang says its rocket carried a satellite, but several nations viewed it as cover for a missile test.Pyongyang says its rocket carried a satellite, but several nations viewed it as cover for a missile test.
The six-party talks - involving the US, China, Japan, Russia and the two Koreas - have stalled over the failure of Pyongyang to verify the shutdown of the Yongbyon nuclear plant.The six-party talks - involving the US, China, Japan, Russia and the two Koreas - have stalled over the failure of Pyongyang to verify the shutdown of the Yongbyon nuclear plant.
North Korea had agreed to dismantle the facility as part of an aid-for-disarmament deal and, in response, the US removed North Korea from its terrorism blacklist.North Korea had agreed to dismantle the facility as part of an aid-for-disarmament deal and, in response, the US removed North Korea from its terrorism blacklist.
But the North now believes it is no longer bound by its previous bilateral agreements with the US and agreements under the six-party talks, reports the BBC's John Sudworth in Seoul, South Korea.But the North now believes it is no longer bound by its previous bilateral agreements with the US and agreements under the six-party talks, reports the BBC's John Sudworth in Seoul, South Korea.


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