Lexington Fire Dept was dispatched for a fire alarm at 400 margarets Ln. Chief 9 arrived on scene and advised working fire with heavy fire showing from side C. E-9 crew stretched a line to the interior and one to Side C to knock down exterior fire. Units on scene E-9 E-92 Truck-9 E-1 T-1 W-4 R-4 R-18 T-106.