At around 9:15 yesterday morning, he was driving and waiting for the red light on the Shungang Road together with this bus of No.320 with a plate number of Yue BC4107. He suddenly saw smoke coming out from the compartment of this bus. Passengers and driver ran down from the bus one after another. Then the driver and the conductor went to the front part of the bus to put out the fire with fire extinguishers. However, the fire grew bigger and bigger, and soon the whole compartment was engulfed by the big fire with thick smoke dozens of meters high. Cars around the bus fled successively, and people felt the heat wave at a distance of 30-40 meters. There were many oil-stained soot spots on the clothes of the onlookers. The traffic in the whole section was temporarily jammed. "Fire engines soon arrived at the scene to put out the fire."