Lasse Wierup has for many years examined gang crime in Sweden.

He sees the fires in Eskilstuna, which is suspected of being an act of revenge after a criminal leader was arrested, as an attempt at a show of strength from criminal groups.

- This touches a little on the terror prop.

To instill fear in the population, he says.

He continues:

- You want to show that you do not step on this network with impunity.

But at the same time, he states that the fires are also a sign that the police are really succeeding in accessing the gangs.

See Lasse Wierup's reasoning in Aktuellt in the clip above.