Ottawa Fire crews were called to south Nepean for a fire at the RCMP Headquarters.
Ottawa Fire says they were called to the 70 block of Leiken Drive near Merivale ROAD a bit before 9:00am.
They say the fire took place on the roof, and was found to be coming from a propane tank.
The building was evacuated as a precaution, but none of the flames spread to the building.
No injuries were reported.