Tap water in Sweden is safe to drink but in case of a suspected contamination, there may be a recommendation to boil the water. These will be in Swedish.
There are several ways to help others in a crisis. Strengthen your home preparedness, learn first-aid, get involved in a volunteer organisation and to talk to your neighbours.
Important public announcement ("Viktigt meddelande till allmänheten" or "VMA") is the system used to alert the Swedish public in case of accidents, serious events, or disruptions of important services.