
Police and fire department are called to a row house area in Nykvarn due to a fire.
According to initial reports, the fire started in parked cars and spread to a row of townhouses.
There are no reports of anyone being injured.
The police are assisting the rescue service with cordons.
The rescue service has control of the fire, which is said to be extinguished soon.
Since it is suspected that the fire was set, the police have initiated an investigation with the heading arson and are taking investigative measures such as interrogations etc.
No person has been arrested.
The fire site will be cordoned off and a technical investigation by the police's forensic technicians will be carried out when it cools down.
Update at 04:45
The investigative measures that have been carried out have resulted in one person being arrested and suspected of the crime.