At 535AM Companies 20 26 Highland Park Quint 37 Upper Darby and Delco Hospital Medics were dispatched to the area of the 2400 block of School Lane for a building fire. Upper Darby Police arrived and advised the fire was actually inside the Arlington Cemetery property. Police reported fire showing from one of the maintenance garages. Units arrived and quickly began to extinguish the fire in the roof area of the building. Crews from Engines 20-1 and 26-1 were able to contain the fire to the roof area. Crews from Ladder 26 opened up the roof to check for fire extension and found none. Companies were on the scene for just over an hour and no injuries were reported.