North Korean leader Kim Jong Un said his country needed to rapidly expand its nuclear armament and called U.S.-South Korea military exercises an "obvious expression of their will to provoke war," state media KCNA reported on Tuesday.

North Korean leader Kim Jong-un on Monday called for a “rapid expansion of nuclearization” and denounced regular military exercises by South Korea and the US as a clear display of “most hostile and confrontational” intent toward Pyongyang.