Poland Tests Nationwide Air Raid Sirens on Tuesday 21 July, 7am–7pm

Poland's Government Security Centre (RCB) sent a national alert on Monday warning that air-raid siren drills will take place across the entire country on Tuesday 21 July between 7am and 7pm. Residents were asked to remain calm and not treat the siren sounds as a real threat. The exercise tests the national warning and alerting system.