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 that those culpable "can never evade their responsibility for the crime.

North Korea has opened an investigation into a failed warship launch earlier this week after leader Kim Jong Un said the accident threatened the country's dignity, state media reported. On May 21, Kim was in attendance at a launch ceremony for a new naval destroyer when a "serious accident" occurred,