Authorities have not yet determined the cause of a fire that broke out in the fourth floorof Burningham Apartments Friday morning.

No injuries were reported, though dozens of residents were evacuated. Flames were contained within a single apartment due to the building's construction, said Fire Chief B.J. Jungmann. The apartment complex is blessed with concrete floors and ceilings, which kept the fire localized to a single spot. Jungmann said the damage to the apartment itself was not permanent, though many of the resident's possessions were ruined by smoke.

"It will be uninhabitable for a little while, but the damage wasn't horrible," Jungmann said.

The incident remains under investigation.

Jungmann asked residents to take fire alarms seriously. When the Burnsville Fire Department arrived very few residents had evacuated, though smoke was filling the fourth and fifth floors.