Kim Jong Un cited efforts by Washington and Seoul to push forward with South Korea's possession of a nuclear submarine as one justification for accelerating North Korea's military buildup. SEOUL: North Korean leader Kim Jong Un vowed to accelerate the country's military buildup at a party meeting, state media reported on Tuesday (Jun 23), citing military modernisation efforts by South Korea and the United States in the region. Pyongyang is under multiple sets of sanctions over its nuclear