The Hecker, Millstadt and Waterloo fire departments responded about 3:40 p.m. Friday to a fire at 4157 Waterloo Road near Floraville.
The initial report was a brush fire, but the fire apparently spread to a nearby vacant house on the property. Firefighters were still working the scene as of 5 p.m.
This is the same location as a hay barn fire the morning of Oct. 4. Firefighters returned to that property for a brush fire call on Wednesday afternoon, as some hay bales on the property reignited due to high winds.