Here is what happened. The driver lost control of his truck and rolled over. The LPG cylinders were thrown out on the ground. Some of it has valve leaking. Liquified Petroleum Gas blown out and ignited. Huge flame impinged onto the nearby cylinders. Liquid inside being heated up and boiled before it turned to be vapor. Pressure expanding quickly. Safety valve burst and blow the gas out. Cylinders were engulfed by flame. Then it is the time for BLEVE.
Excitement on the road in Thailand
A six wheel truck, carrying LPG cylinders, rolled over. The cooking gas cylinders on fire and exploded. Flame engulfed the truck. Two workers injured.