A person was stabbed in Fagerheimgata on Grünerløkka in Oslo, and sent to hospital after receiving treatment by ambulance personnel, says operations manager Rune Hekkelstrand to TV 2.
Victims have been taken to hospital with serious injuries. We are still working on and at the scene with many patrols, the police write on Twitter.
Police on the spot inform Avisa Oslo that the victim is a woman.
The Oslo police were notified of the incident by the VET center.
The police are working with questioning witnesses and locating the perpetrator, the operations center states.
According to operations manager Hekkelstrand, the police were notified of the stabbing just after 11 pm on Monday night.