Thirty to 40 ships -- including several passenger ships -- were stuck Thursday in ice off the coast of Sweden, said a spokesman for the Maritime Search and Rescue Center in Gothenburg, Sweden. The area of the Baltic Sea worst hit by the ice were the waters bounded by mainland Sweden, the Stockholm archipelago and the Finnish island of Aland, said Tommy Gardebring, press officer with the Swedish Maritime Administration. Several passenger vessels from Viking Line were stuck, he said. One of them had been freed. "It has been a lot colder than normal in the southern parts of the...