South Korea's National Security Office chief Chung Eui-yong (2nd from R) talks with Russian Foreign Minister Sergei Lavrov (3rd from L) during their meeting in Moscow on March 13, 2018. Chung went to Moscow as South Korea's envoy to explain the results of a Seoul delegation's recent meetings with the top leaders of North Korea and the United States to start denuclearization talks. (Yonhap) (END)