By Steve Beck

PHILADELPHIA (CBS) – Fire officials are investigating the cause of a blaze that badly damaged a row home in Philadelphia early Monday morning.

The fire started at about 3:15 a.m. inside a home in the 3100 block of Archer Street in the city’s Nicetown-Tioga section.

Firefighters were able to quickly place the fire under control, but not before it badly damaged the home.

All of the occupants inside the home were able to get out safely.

Fire officials say there were no smoke detectors inside the home.

The cause of the fire remains under investigation.

Top Content On CBSPhilly