North Korean leader Kim Jong Un told Russian defence minister Ukraine's use of long-range weapons is the result of direct military intervention by the United States and Moscow is entitled to take action in self-defence,

North Korea is expanding a weapons plant that manufactures missiles used by Russia against Ukraine, according to new research from a US-based think tank.

Russian Defense Minister Andrei Belousov met with North Korean leader Kim Jong Un and agreed to boost military cooperation between the two isolated nations.