Fire companies from St. Marys, Fox Township, and Johnsonburg responded to a Friday afternoon blaze at 105 Challingsworth Rd, located off of Taft Road in St. Marys. The two-story structure was fully engulfed upon arrival causing a small brush fire in the back of the residence. Crews were still on scene late Friday afternoon. Ridgway Fire Dept. was on standby at Station 11 in St. Marys.