German Officials Detain 3 More Suspects in Connection With Cologne Cathedral Attack Threat

BERLIN—Three more people were detained Sunday in connection with a reported threat of an attack on the Cologne Cathedral over the holidays, German authorities said. The detentions came only days after a 30-year-old Tajik man was detained in relation to an alleged plot to attack the world-famous cathedral by Islamic extremists in the western German city. The suspects were detained in the western cities of Duisburg, Herne, and Dueren in the state of North Rhine-Westphalia, and their apartments were also searched there. No details about their identities were released. All of the detained suspects—including the Tajik who was arrested last week—allegedly belong to a larger network that included people across Germany and in other European countries, according to Cologne police chief Johannes Hermanns, German news agency dpa reported....