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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 the 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 Korean President Lee Myung-bak is reported to have convened an emergency security meeting. 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.
Yonhap quoted an unnamed official from South Korea's ruling party. The KCNA report gave no details of the location of the test.
Both South Korea's and the US geological agency said they detected a seismic tremor early on Monday that indicated a nuclear explosion. 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.
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 a rocket.