The incident in the southern city of Huskvarna began when the unidentified resident heard an alarm go off in the early morning hours. He went to the basement to find three men attempting to steal things.
Police said he slammed the door and locked it and when officers arrived they found the men still trapped and arrested them, TheLocal.se reported.
Police credited the man's quick thinking but cautioned against individuals intervening in such situations unless it's absolutely necessary.
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