At a training site in Russia, the five North Korean soldiers had grins on their faces and guns in their hands. Then they began singing a cappella, belting out a Soviet-era song called “Katyusha" about a young woman bidding farewell to soldiers—in translated Korean-language lyrics.

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,

It is incumbent upon China and Russia to take responsible action by persistently convincing and pressuring North Korea to cease its unlawful pursuit of nuclear weapons and military provocation,' says S.