Updated Aug. 10, 5:44 p.m.
A fire broke out early Sunday morning in the apartments above University Pinball, located at 4008 Spruce St.
A representative from the Philadelphia Fire Marshal’s office confirmed that the fire was caused by the the house’s electrical wiring system. The investigation of the fire’s cause was concluded Monday afternoon.
The fire, which was mostly contained to the third floor of the building, was called in at about 12:15 a.m., a Philadelphia Fire Department dispatch supervisor said.
According to Penn Division of Public Safety spokeswoman Stef Cella, the apartments are separate from University Pinball, which was not directly affected by the fire. The owner is the same.
The dispatch supervisor said the fire was under control in half an hour. Firefighters remained on the scene for more than an hour early Sunday.
Everyone living in the building was located and safely escorted out, according to Stef Cella.
One firefighter was taken to the Hospital of the University of Pennsylvania with a minor injury, the dispatch supervisor said. He would not say the nature of the injury, but said the firefighter has been released from the hospital.
The dispatch supervisor said he did not know how much damage the building sustained.