The world's biggest iceberg has been split in two by a powerful storm, scientists say. The huge iceberg, the size of Jamaica, broke up over the last month. Eight smaller icebergs have also split away from it. The 4,400 square mile piece of ice, named B15, suffered a massive fracture when the Antarctic storm swept in. Scientists said they had expected it to split "eventually". The two pieces, designated B15A and B15J by the US National Ice Centre, are now slowly edging their way along the Ross Sea, said Mike Williams of New Zealand's National Institute of Water and Atmospheric...