By Ju-min Park SEOUL (Reuters) -North Korean leader Kim Jong Un made a rare visit to Russia's embassy in Pyongyang with his daughter on Friday and reaffirmed "the invincible alliance" between the two countries,

Kim Jong-un's actions demonstrate North Korea-Russia friendship, which has developed into 'genuine comrades-in-arms and a long-standing strategic relations in the new era,' says Foreign Minister Choe

North Korea and Russia have begun building their first road link, the two countries announced, hailing the construction of a bridge over a border river as a major development that will further expand their booming ties.