The police are investigating assault and illegal threats.
A man in Östersund's municipality has been apprehended in the evening, suspected of having assaulted and threatened a woman he has a relationship with outdoors.
There are no reports that the woman needed to be taken to medical care.
After an interrogation, the prosecutor will make a decision on whether the man, who is in his 40s, should be detained or not.
A report has been filed regarding assault and aggravated illegal threats.