article_snippet.sent: Under the Kim dynasty North Korea has long used nuclear weapons as a bargaining chip in international relations .
article_snippet.sent: North Korea has conducted three nuclear detonations, the most recent in February 2013.
article_snippet.sent: North Korea carried out nuclear tests in 2006, 2009 and 2013, and has an extremely active ballistic missile development programme, although expert opinion is split on how much progress North Korea has made, reports Agence France Presse.
article_snippet.sent: North Korea has conducted three nuclear detonations, the most recent in February 2013 .
article_snippet.sent: In 2012, Pyongyang demonstrated Pyongyang rocket capabilities by sending a satellite into orbit, but North Korea has yet to conduct a test that would show North Korea had mastered the re-entry technology required for an inter-continental ballistic missile.
article_snippet.sent: Under the Kim dynasty, represented by current leader Kim Jong Un, North Korea has long used nuclear weapons as a bargaining chip in international relations.