- With fires, the evidence disappears in many ways, it burns up. It also happens at times and places that are quite difficult to monitor, says area police Joachim Rolf.

What happens now?

- We are increasing our presence in the area, we will become more visible, it is clear that when something like this happens it becomes more intense, says Joachim Rolf.

Both real estate companies HFAB and the municipality of Halmstad have decided to extend the surveillance company's control rounds around properties, schools and preschools as a result of the fires.

SVT Halland is looking for police officers to hear if even extended camera surveillance may be needed.

Watch the clip to hear the area police and residents in Vallås.