North Korea eyes ‘exponential’ hike in nuclear weapons capability

SEOUL — North Korea has unveiled a new facility to produce weapons-grade nuclear material as the South Korean military said it was closely coordinating with the United States to monitor Pyongyang's nuclear activities.Kim Jong Un inspected the new plant on Wednesday and announced plans to “beef up our state’s nuclear forces at an exponential rate,” according to a report from state-run media on Thursday.The North’s official Korean Central News Agency said the facility