(West Linn, OR) -- Fire caused major damage to a home in West Linn Saturday morning. When firefighters arrived, heavy smoke was coming from the roof and then flames broke through. Two residents and their dog safely got out of the 67-hundred square foot home. It took firefighters 45 minutes to control the fire and another three hours to put out hot spots. A preliminary investigation found faulty wiring in landscape lighting may have caused the fire.