if you don't like surprises but still want to stay informed then stick around to hear how a fire at Jefferson Hospital was swiftly contained early this morning a fire broke out on the roof of Jefferson Hospital in Jefferson Hills Pennsylvania attributed to ongoing construction work the blaze caused smoke to infiltrate the upper floors through the air handling system however patient care areas were largely unaffected as a precaution the hospital temporarily diverted patients from its emergency department and a mass casualty incident was declared to ensure additional EMS resources were available the good news no evacuations were necessary and all patients and staff were confirmed safe the fire was quickly contained by emergency crews and efforts are ongoing to clear any remaining smoke alagan Health Network the hospital's parent organization reassured the public that the safety of patients and staff is their top priority stay tuned for more updates and remember in times of Crisis quick response and clear communication make all the difference