The United States and South Korea are concerned about the potential deepening of military cooperation between Russia and North Korea in the context of the planned visit of Russian dictator Vladimir Putin to Pyongyang, reports Reuters. Officials from the United States and South Korea have expressed concern about the establishment of a new level of cooperation between the dictatorial regimes. South Korea’s Deputy Foreign Minister Kim Hong-kyun held an urgent phone conversation with US Deputy Secretary of State Kurt Campbell. During the dialogue, Kim stated that Putin’s visit should not lead to a…