The man is arrested on probable cause on suspicion of six cases of sexual harassment.
The arrest takes place against the background that it is judged that there is a risk that he will return to crime if he is released.
Earlier this week, a man was arrested and detained for the six occasions of harassment.
In three of the incidents, the police have been able to secure tracks in the form of semen.
During the week, the police also carried out a house search in the man's home and seized several objects.
According to the police, the suspicions against the man were strengthened by the house search and the interrogation that was held with him.
Prosecution against the man must be brought no later than 1 October.
The man denies the crime.