A new 5,000-ton destroyer key to North Korea’s naval advancement was damaged during its launching ceremony attended by leader Kim Jong Un, state media reported Thursday. The ship slid off the ramp and became stuck after the flatcar failed to move alongside it,

A major accident occurred at a launch ceremony for a new North Korean naval destroyer, state media reported, with leader Kim Jong Un saying the mishap was a "criminal act".

The failed launch "severely damaged the dignity and pride of our nation in an instant," says the North Korean leader.