party talks was in Seoul on the first leg of a trip aimed at breaking the deadlock that would include Beijing on Tuesday and Tokyo on Wednesday. "What we are focusing on is the diplomatic track and the need to get the talks going and more importantly, once they get going, to achieve progress," U.S. Assistant Secretary of State Christopher Hill said after meeting South Korean Deputy Foreign Minister Song Min-soon. Hill said he and Song had a "very good and complete agreement on how to proceed". He did not elaborate. Washington has said its offer of security guarantees in return for a complete dismantlement of the North's nuclear programmes still stands. Moon said on Monday Washington needed to look for new ways to move things forward. "I believe the United States is preparing something, a new card, for this to happen," he said without elaborating. --More 2331 Local Time 2031 GMT