An explosion took place during the Thursday evening in a residential area in Uddevalla, reports P4 Väst.
The alarm came in just after 21.30 that bangs were heard in a wooded area in the residential area Helenedal. After a large police operation in the area, a person in their 20s was arrested and is now detained, suspected of gross negligence.
No one was injured in connection with the explosion and it is still unclear what exploded.
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