When a crisis happens in our society is it of outmost importance to receive information about what is happening and what you should and can do.
If you live in a city where a strong signal can be heared:
- go indoors
- close windovs , doors and ventilation systemstänga fönster, dörrar och ventilation
- listen to your radio and television for more information on what is happening
The authorities tests the strong signal at 3 pm the first non public holiday Monday in i March, June, September och December.