carrying more than 10,000 gallons of gasoline catches fire while making a delivery to a gas station in maddingtontern australia, a small suburb of perth. firefighters do their best to control the fire, but both the truck and the service station are fully engulfed in flames. >> the flames got really big. the flames were about 50 feet in the air. >> simon simpson works in the area and records the incredible sight with his camera. >> firefighters were just trying to basically stop it from spreading. >> soon, a crowd gathers and several other people also start to record the growing fire. the flames get higher. the smoke, thicker. >> the police and everyone started to get a little worried about the amount of people that were standing, just watching and filming. >> the chaotic scene spirals out of control. >> it's going. it's going! >> then the flames reach a massive amount of fuel and the gas station erupts. >> i've never seen anything that big. it was a bit of a shock and sort of stunned me for a second to see such a big fireball go straight up. >> before the blast, simpson is about 40 feet from the