South Korean Foreign Minister Cho Hyun and his Japanese counterpart Takeshi Iwaya shared concerns over North Korea's growing military ties with Russia among others, and agreed to work together with the United States,

Foreign Minister Cho Hyun plans to visit Japan and the United States later this week to hold talks with his counterparts of the two countries, Seoul's foreign ministry said Monday. Cho will make a two-day trip to Tokyo starting Tuesday and meet one-on-one with Japanese Foreign Minister Takeshi