On January 10 , 2003 , North Korea again announced its withdrawal from the Nuclear Non-Proliferation Treaty . On February 10 , 2005 , North Korea finally declared that it had manufactured nuclear weapons as a " nuclear deterrent for self-defence " . On October 9 , 2006 , North Korea conducted a nuclear test . US intelligence agencies believe that North Korea has manufactured a handful of simple nuclear weapons
North Korea conducted a nuclear test
2006 North Korean nuclear test
Agreed Framework