A major fire overnight in the Rosemont-La-Petite-Patrie borough has left 12 people homeless.

About 100 firefighters responded to the five-alarm fire at a residential building on Normanville Street late Friday night.

Flames spread to the roof from a second-floor balcony, according to fire officials.

No one was injured.

Investigators are trying to determine the cause of the fire.

Damages are estimated to be more than $150,000.