A large fire is currently engulfing an apartment building in central Laholm, Sweden. Emergency services are actively responding to the blaze. Authorities have arrested one individual on suspicion of aggravated arson, indicating the fire may have been intentionally set. The extent of the damage and potential injuries are currently unknown. Investigations are underway to determine the cause of the fire and the full circumstances surrounding the arrest. The incident is causing significant disruption in the town center. Further updates will be provided as the situation develops.