Two individuals under age 15 are suspected of causing an explosion at an apartment building entrance in Västerås. The incident occurred around midnight Friday into Saturday.
Police detained both suspects shortly after the blast. They were released after questioning but remain under suspicion.
The explosion damaged the building entrance and several windows. No one suffered physical injuries in the incident.
National bomb disposal units responded to the scene. They conducted safety checks for undetonated explosives.
Authorities temporarily relocated residents as a precaution. They wanted people to remain away until bomb experts completed their work.
Police are investigating the case as public endangerment through negligence. They also cite serious violations of laws governing flammable and explosive materials.
A rescue service commander confirmed the safety measures. Daniel Ågren said officials arranged temporary housing for affected residents.
Why would minors have access to explosive materials? This incident raises questions about security controls in Sweden.
The case highlights ongoing challenges with explosive-related crimes in Swedish cities. Recent years have seen similar incidents across the country.