A restaurant fire forced the evacuation of an office building in the Old City section of Philadelphia.
The fire broke out inside the Cosi Restaurant on the first floor of Consitution Place at 325 Chestnut Street around 9:30 a.m. Thursday, according to the Philadelphia Fire Department.
Fire officials say the fire caused smoke to fill the second floor of the 20 story building.
The high rise was evacuated for a short time as fire crews worked to put out the fire.
Chestnut Street between 4th and 3rd Streets, as well as, 4th Street between Market and Walnut Streets were shut down as crews responded to the emergency.
There were no injuries.
The Philadelphia Fire Marshal is investigating the cause of the fire.
