North Korea Claims Nuclear Test

BBC: North Korea says it has carried out its first test of a nuclear weapon. It said the underground test, carried out in defiance of international warnings, was a success and had not resulted in any leak of radiation….

Pyongyang pulled out of the nuclear Non-Proliferation Treaty in 2003 and has refused for a year to attend talks aimed at ending its nuclear ambitions. The UN Security Council imposed an embargo on the import and export of missile-related materials in July after North Korea test-fired several missiles.