Police were called to the Storheden area of Luleå after reports that one car had driven into another from behind. The incident led to an allegation of assault, according to police. Officers were dispatched to the scene in response to the report. At this stage, the information available does not include details on injuries, who was responsible, or whether anyone has been detained. Police also did not provide further information about what happened before or after the collision. The case is being handled by the police, and more information may be provided as the investigation continues.