Rescue Engine 1 was dispatched for a reported structure fire. The Northside crew marked up with 7. Upon additional information the Northside crew and other responding units were informed that an outdoor grill had set the propane tank off fueling it, which in turn caught a small portion of house on fire. Upon arrival the home owner had moved the grill away from the house and was trying to extstinguish the fire with a garden hose. The Northside crew stretched a 1 3/4 crossly off the Rescue Engine to the rear of the structure and started to cool the propane cylinder down. Serve 1 driver assisted the hoes line crew by shutting the cylinder off by hand. While on the scene Company 1 was also dispatched for an assist with a medical problem so the Serve 1 responded with two. After pulling up on the station ramp the Rescue Engine Was also dispatch to assist Medic 5 with a medical call.