Several patrols on site in Blombacka on Thursday evening.
Police and ambulance were called to the area Blombacka in Södertälje at 11 PM on Thursday evening after reports of a person injured.
There were also reports of weapons.
A victim is found and is not believed to have suffered serious injuries. The person is also reported to have been robbed.
The police are filing a report on serious weapons offense and serious theft.