PHILADELPHIA (CBS) — An investigation is underway after flames erupt at the hospital of the University of Pennsylvania. Flames were visible on the roof of a building along the 3400 block of Spruce Street, just before 2 a.m. Thursday.
Firefighters were able to get the fire under control in less than an hour.READ MORE: Several People Injured After Tree Falls During West Philadelphia High School Reunion Party At Fairmount Park
Patients from three floors of the building were moved to other parts of the hospital as a precaution, but are returning to their rooms.READ MORE: 3 Women Shot In Brewerytown Were Targeted Due To Instagram Post: Philadelphia Police
The fire started in a rooftop generator but the cause is still under investigation.MORE NEWS: Phillies Hit 4 Homers In 13-1 Win, Finish Sweep Of Nationals
No injuries were reported.