Stalin's last army: hordes of gigantic crabs on their way to invade Europe - By Julius Strauss in Kirkenes, Northern Norway Millions of giant Pacific crabs, whose ancestors were brought to Europe by Joseph Stalin in the 1930s, are marching south along Norway's coast, devouring everything in their path.The monster crabs, which can weigh up to 25lb and have a claw-span of more than three feet, are proving so resilient that scientists fear they could end up as far south as Gibraltar. Energised by a mysterious population explosion a decade ago, whole armies of the crustaceans - known as the...