North Korea said Friday it began steps to arrest and investigate those responsible for the failed launch of its second naval destroyer after leader Kim Jong Un expressed fury over the incident that h...

Kim Jong Un’s dream of modernizing his country’s outdated naval fleet suffered a major setback after a much-touted warship crashed into the water after a botched exit from the dock.

“Due to the inexperienced command and operational carelessness in the course of the launch, the launch slide of the stern has departed first and stranded as the flatcar failed to move in parallel, so...