No one was injured and the fire was under control shortly before 6 a.m.
The alarm came in just after 1 a.m. on Friday. The fire started on the fourth floor and spread quickly, according to the fire service. About 20 firefighters worked to extinguish the fire and smoke divers were deployed, writes Corren.
The cause of the fire is not yet known.
The technical investigation will show that, says the duty police officer, Tim Thorén, to Corren.
