Russia's top diplomat, Sergei Lavrov will be travelling to Pyongyang on Thursday.<br /> According to Russia's Tass News Agency, the visit comes at the invitation of North Korea's Foreign Minister.<br />It's in return for the visit to Moscow made in April by Ri Yong-ho.<br />The agenda is not yet known,... but the two are likely to focus on the progress made toward holding a North Korea-U.S. summit as well as bilateral relations. <br />
