BERLIN (Reuters) - German police said on Saturday they were heightening security at Cologne Cathedral following indications of an attack planned for New Year's Eve, a week after the interior minister warned of the rising threat of Islamist violence. The police said in a statement they would use tracker dogs to check the cathedral after evening mass and then close it off. On Sunday, Christmas Eve, they would carry out a security check on all visitors whom they recommended to get to services early. Police said they could not elaborate, citing the ongoing investigation. German newspaper Bild earl...
