Vienna-Today, Saturday, a nationwide civil protection sample alarm is carried out again. Between 12 p.m. and 12.45 p.m., the three signals “warning”, “alarm” and “all -clear” over 8,000 fire brigade sirens are broadcast all over Austria after the signal “Siren sample”. The trial alarm is used to check the technical facilities of the warning and alarm system. In addition, the Austrian population is to be familiarized with the signals and awareness of this is created.