Vice President of US, Joseph Biden and Park Geun-hye, the President of South Korea on 6 December 2013 agreed to join hands to denuclearize North Korea (DPRK). Joseph Biden at present is on a visit to South Korea.
The two countries have agreed to make effort to achieve a substantive progress in dismantling Pyongyang’s nuclear programme based on the close bilateral cooperation and firm deterrence against possible nuclear and missile threats from North Korea. As the principle of Pyongyang's, nuclear weapons are unacceptable.
North Korea is officially known as Democratic People's Republic of Korea (DPRK).