North Koreans told to protect portraits of Kim Jong Un as storm looms

"The qualitative levels of war preparations depend on the development of the munitions industry, and the factory has a tremendous responsibility in accelerating our military's war preparations," he was quoted as saying.

At other plants, Kim inspected and drove a new utility combat armoured vehicle, and praised recent progress in modernising production lines for large-caliber multiple rocket launcher rounds, KCNA said.