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North Korea in nuclear test claim North Korea in nuclear test claim
(10 minutes later)
North Korea says it has carried out its first ever test of a nuclear weapon, the state news agency has reported.North Korea says it has carried out its first ever test of a nuclear weapon, the state news agency has reported.
It said the underground test, done in defiance of international warnings, was a success and had not resulted in any leak of radiation.It said the underground test, done in defiance of international warnings, was a success and had not resulted in any leak of radiation.
A South Korean official said an explosion had been detected in the north-east of North Korea, measuring 3.5 on the Richter scale.A South Korean official said an explosion had been detected in the north-east of North Korea, measuring 3.5 on the Richter scale.
North Korea said last week that it planned to test a nuclear weapon.North Korea said last week that it planned to test a nuclear weapon.
South Korean President Roh Moo-hyun has called an emergency meeting of his government's National Security Council.South Korean President Roh Moo-hyun has called an emergency meeting of his government's National Security Council.
A South Korean official said that there had been a grave change in the security situation on the peninsula.A South Korean official said that there had been a grave change in the security situation on the peninsula.
Officials in South Korea have been quoted as saying that an explosion was detected in north Hamgyong province in North Korea.Officials in South Korea have been quoted as saying that an explosion was detected in north Hamgyong province in North Korea.
The region has been on high alert since North Korea said last week it would conduct a nuclear test. South Korea's Yonhap news agency is reporting that the test took place in Gilju in Hamgyong province.
Prior to the test, there had been speculation that any such trial would take place either in Gilju or Hagap in the centre of the country.
The entire region has been on high alert since North Korea said last week it would conduct a nuclear test.
Japan's Prime Minister Shinzo Abe has just arrived in Seoul for a meeting with Mr Roh, following talks on the crisis with his Chinese counterparts in Beijing.Japan's Prime Minister Shinzo Abe has just arrived in Seoul for a meeting with Mr Roh, following talks on the crisis with his Chinese counterparts in Beijing.
At the Beijing summit, Japanese and Chinese leaders had earlier said that such a test would be considered "unacceptable".At the Beijing summit, Japanese and Chinese leaders had earlier said that such a test would be considered "unacceptable".