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North Korea conducts nuclear test North Korea conducts nuclear test
(10 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 Monday's test was "aimed at strengthening its [North Korea's] self-defence nuclear deterrent in every way".The agency says Monday's test was "aimed at strengthening its [North Korea's] self-defence nuclear deterrent in every way".
The news confirms earlier reports by South Korea's Yonhap news agency.The news confirms earlier reports by South Korea's Yonhap news agency.
South Korea's president is reported to have convened an emergency security meeting and Japan is setting up a task force in the prime minister's office.South Korea's president is reported to have convened an emergency security meeting and Japan is setting up a task force in the prime minister's office.
Japanese Foreign Ministry spokesman Kazuo Kodama said Tokyo would respond to the test "in a responsible fashion" at the UN, without giving further details.Japanese Foreign Ministry spokesman Kazuo Kodama said Tokyo would respond to the test "in a responsible fashion" at the UN, without giving further details.
The South Korea has set up a "crisis management" team of officers at general-level.The South Korea has set up a "crisis management" team of officers at general-level.
The European Union has said that the development is "very worrying".The European Union has said that the development is "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.
Second testSecond test
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 Engage, appease, oppose? N Korea a problem for Obama Timeline: North Korea
On Monday, the KCNA report said that "the current nuclear test was safely conducted on a new higher level in terms of its explosive power and technology of its control".On Monday, the KCNA report said that "the current nuclear test was safely conducted on a new higher level in terms of its explosive power and technology of its control".
It said the results resolved "scientific and technological problems arising in further increasing the power of nuclear weapons and steadily developing nuclear technology".It said the results resolved "scientific and technological problems arising in further increasing the power of nuclear weapons and steadily developing nuclear technology".
The report gave no details of the location of the test.The report gave no details of the location of the test.
However, South Korean officials said a seismic tremor was detected in the north-eastern part of the communist state.However, South Korean officials said a seismic tremor was detected in the north-eastern part of the communist state.
Both South Korea's and the US geological agency said the tremor indicated a nuclear explosion.Both South Korea's and the US geological agency said the tremor indicated a nuclear explosion.
North Korea conducted its first nuclear test in October 2006.North Korea conducted its first nuclear test in October 2006.
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.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.
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 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 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.