They and the European Union say it will violate a U.N.resolution imposed after North Korea conducted at 2006 nuclear weapons test.

VOA: standard.2009.04.01

The isolated country is also under pressure because of United Nations sanctions imposed after Pyongyang conducted a nuclear test a year ago.

VOA: standard.2010.05.03

Pyongyang also rallied public support behind the country's nuclear weapons program, and conducted its second nuclear test.

VOA: standard.2009.12.30

The United States and South Korea say they will be diligent about implementing U.N.Security Council sanctions imposed after North Korea conducted the second nuclear weapons test in its history in May.

VOA: standard.2009.09.06