It was during the night of Sunday that police and an ambulance were called to an address in Boxholm in Östergötland due to a violent crime.
A dead person was found at the scene.
A preliminary investigation into murder was launched and two people were arrested. They were later arrested by prosecutors.
The police are now working to investigate what happened.
— We do not comment on the incident, says Joakim Wikman, commanding officer of the police in the East.