Alarmed by siren? It's only a nationwide test on October 1st
Don't be worried if you hear the alarm siren on October 1st between 12:00 and 12:45. It's only the nationwide test to check that the system is properly working. But it's a good idea to learn the meaning of the signals. Read more at the city-page here (The sign explains it in German, English, French, Turkish and Russian).
A print version you can find here