North Korean ruler Kim Jong Un said a new naval destroyer was damaged in a "serious accident and criminal act caused by absolute carelessness."

North Korea’s newest warship was severely damaged during a launch ceremony Wednesday, with leader Kim Jong Un, who witnessed the accident, saying it brought shame to the nation’s prestige and vowing to punish those found responsible,

North Korea began a full-scale investigation into an accident that damaged a new warship at its launch ceremony this week, state-run media reported Friday, with investigators vowing to punish those responsible.