International negotiators listen as Chinese Vice Foreign Minister Wu Dawei (3rd R) makes the closing statement after six-party talks in Beijing December 22, 2006. From left are Russian Ambassador to China Sergei Razov, US Assistant Secretary of State Christopher Hill, Japanese chief envoy Kenichiro Sasae, Wu, South Korean chief negotiator Chun Yung-woo, and North Korea's Kim Kye Gwan. A week of diplomatic negotiations aimed at persuading North Korea to scrap its nuclear weapons ended with no progress on Friday, with envoys failing even to set a firm date to meet again.