The police are contacted about people trying to sell a large quantity of suspected stolen copper at a recycling company.
Police patrols are ordered to the location to check the matter.
Three men suspected of stolen copper are found and arrested at the location.
The copper is suspected to have been taken from a company in Boden.
The incident is being investigated as a serious theft.
After questioning, the prosecutor will decide whether the men, who are in their 25- to 30-year age range, should be detained or not.