The drills will test the operation of warning systems and response procedures across the region. Alarm sirens will sound for up to one minute at a time to signal both the announcement and the cancellation of an alert. According to the Rządowe Centrum Bezpieczeństwa (Government Centre for Security), the activity is part of the nationwide “Syrena-25” exercises. Authorities said that the signals are test alerts and do not indicate any real danger to public safety.