Residents of Suhr, near Aarau in northern Switzerland, were confused on Tuesday when a siren went off at 1:58pm – one day before the planned annual nationwide siren test. +Get the most important news from Switzerland in your inbox It was a false alarm, according to Alertswiss. There was no danger. Around 360 stationary sirens will sound in canton Aargau on Wednesday. There are 5,000 sirens throughout Switzerland. The annual test is intended to show whether the sirens are working reliably. According to the authorities, the population does not have to do anything. This year, the sirens will go off between 1:30pm and 4:30pm, depending on the location. Adapted from German by AI/ts How we work We select the most relevant news for an international audience and use automatic translation tools to translate them into English. A journalist then reviews the translation for clarity and accuracy before publication. Providing you with automatically translated news gives us the time to write more ...