North Korea Again Fires Near Sea Border With South as Its Leader’s Sister Mocks Seoul

SEOUL, South Korea—North Korea again fired artillery shells near its tense sea boundary with the South on Sunday, as the sister of North Korean leader Kim Jong Un mocked the South’s ability to detect its weapons launches. South Korea’s Joint Chiefs of Staff dismissed Kim Yo Jong’s statement as “a comedy-like, vulgar propaganda” meant to undermine the South Korean people’s trust in the military and stoke divisions. The Joint Chiefs of Staff said North Korea fired more than more than 90 rounds near the rivals’ disputed western sea boundary on Sunday afternoon. It said South Korea strongly urged North Korea to stop provocative acts immediately....