(VOVworld)-The US, Japan and South Korea will meet next week in Washington to discuss North Korea and its nuclear program. The State Department said it reflects close cooperation among the three nations on pursuing the verifiable denuclearization of the Korean Peninsula in a peaceful manner. The North says it wants to restart the talks, without preconditions, it withdrew from five years ago. Washington first wants to see concrete steps by Pyongyang to demonstrate its sincerity about denuclearization.