A Second World War era bomb has been detonated underwater in waters near Langeland, a Danish island to the south of the country.br br Miners from Denmark’s armed forces exploded the 130kg deep-water device that a fisherman had caught in his net.br br The fisherman immediately notified authorities after finding the bomb.br br Sappers from the Danish navy placed the weapon back in the water and attached a 10kg explosive charge to it, allowing for a controlled detonation.br br According to the defence department, the explosion occurred 15m (49ft) below the surface.