CHICAGO — Five people have been displaced after a fire broke out at a Wrigleyville apartment building, according to fire officials.

Crews responded to a fire on the 3500 block of North Sheffield Avenue around 7 a.m. Friday. The fire started on the rear porches and was put out about an hour later.

Part of the roof deck collapsed down and it appears the top two floors were damaged. Five people have been displaced due to the fire, according to officials.

The cause of the fire is unknown. No one was injured.