The alarm came at 23-30.

- We got it to us via an automatic alarm, says Lars Lindberg, commanding officer at the rescue service.

The gym is located in a smaller mall.

- The initial fire has been extinguished, but we have a continued heat impact in the gym.

We are now working to ventilate and ensure that there is no spread of fire in the construction.

The police are also on the scene and assisting the rescue service.

The cause of the fire is currently unknown.

- This is something we have to investigate, says Fredrik Andersson, officer on duty at the police.

There is no information on injuries.