North Korean leader's sister threatens South over drone flights

SEOUL, SOUTH KOREA — The powerful sister of North Korean leader Kim Jong Un on Saturday accused South Korea of deliberately avoiding responsibility for the alleged flights of South Korean drones over the North’s capital and warned of a “terrible calamity” if they continue. The statement by Kim Yo Jong came a day after North Korea’s Foreign Ministry claimed that South Korean drones carrying anti-North Korean propaganda leaflets were detected in the night skies over Pyongyang on Wednesday and Thursday, as well as on October 3.