A 100-year-old wooden structure burned Thursday morning on Hickory Lane near Weir Lake Road in Chestnuthill Township. The fire was first discovered just after 11 a.m. with smoke showing the second floor area. Fire companies from throughout Monroe County responded to the scene. The fire was reported to have started from a window air conditioner in the second-floor apartment. No injuries were reported. COPYRIGHT LARRY NEFF/SPECIAL TO THE TIMES NEWS