North Korea has successfully refloated a new destroyer that capsized upon launch last month, with state media reporting the damaged vessel will be moved to a dry dock in a different shipyard for repairs.

North Korea has righted a naval ship that capsized and was damaged during a botched launch in May, restoring its balance and mooring it to a pier, state media confirmed.

North Korea righted a capsized 5,000-ton warship and moored it at a pier in the Chongjin Shipyard state-run media reported, two weeks after a failed launch that leader Kim Jong Un condemned as a "criminal act.