Pittsburgh bureaus of Fire, EMS and Police responded to a commercial structure fire on the 1700 block of Penn Avenue in the Strip District around 8:10 p.m.
The fire quickly escalated to 4-alarms with heavy smoke and flames emanating from the third floor of the building. The flames eventually broke through the roof. There was also some possible exposure to the building immediately adjacent to the structure where the fire originated.
A firefighter suffered an injury to his shoulder while fighting the fire and was transported to Mercy Hospital by EMS for treatment.
Fire Chief Darryl Jones declared the fire to be under control at approximately 9:20 p.m.
The Fire Investigation Unit is investigating the cause.
Tonight, the City-County Building is illuminated to recognize Poison Prevention Week and the 50th Anniversary of "Mr. Yuk" in partnership with Children's Hospital of Pittsburgh of UPMC.
For questions about the lighting at the City-County Building, please reach out to the Office of the Mayor.