An overnight fire spread from a store to the apartments above leaving at least five families out of their homes.
The blaze broke out around 11 p.m. Wednesday inside the Rose General Merchandise Market along Main Street in Darby, Pa.
The blaze quickly spread to two-alarms as firefighters battled the flames from spreading to the apartments above the store. It took firefighters about an hour to bring under control.
No one was hurt.
The fire displaced 31 people from 13 different households, according to the American Red Cross of Southeastern Pennsylvania.
Many of those people were staying with relative or friends but nine people wound up spending the night at the Red Cross House in University City.
The cause of the fire remained under investigation Thursday morning.