People were reporting that this happened in Paris yesterday as well, but I can't find any news stories... -- edit to add link http://www.leparisien.fr/boulogne

People were reporting that this happened in Paris yesterday as well, but I can't find any news stories... -- edit to add link http://www.leparisien.fr/boulogne-billancourt-92100/une-alarme-assourdissante-perturbe-boulogne-billancourt-08-04-2017-6836055.php http://www.leparisien.fr/boulogne-billancourt-92100/une-alar...