No, Helen Mirren's academy award hasn't been thrown overboard, but London's favourite battleship, HMS Belfast, has lost Oscar - one of its two cats. We're keeping our hopes alive that the ginger moggy hasn't drowned as he apparently tried in vain to find the other ship's cat, 'Kilo'. History is on Oscar's side. During World War II, the German warship Bismark sank to the ocean floor and took almost 2,000 men with it. But......