According to Sundsvall's newspaper, the police have been on site in central Sundsvall with several police cars, dog patrols and even an ambulance.
But what is going on is unclear - the police are the companies.
- We still have an ongoing case, but what it is about I can not go into, says Maria Linné at 21.15.
Is any person arrested?
- No, but I can say that there is no danger to the public.
It is unclear whether the police will be able to provide any information on Tuesday evening.