Three more suspects were arrested on Sunday in connection with a planned terrorist attack on Cologne Cathedral as Germany readied for New Year’s Eve celebrations, which police fear could turn violent in Berlin. Shortly before Christmas, police received information about a planned Islamist plot against the cathedral, with the last night of 2023 seen as a possible target. A Tajik was arrested on December 24 but further arrests were made in the same state of North Rhine Westphalia after police discovered he was part of a larger network. Flats were also searched. The planned attack was to have bee…