After a bungled launch, the vessel appears to be stuck and lying on its side in the water. North Korea said it was a 5,000-ton destroyer.

Satellite images have for the first time shown the extent of a shipyard accident in North Korea that damaged a new warship in the presence of the secretive state's leader, Kim Jong Un.

Dozens of people were injured during a protest outside Argentina's Congress on Wednesday where activists and retired Argentines demanded higher pensions, according to Reuters witnesses.