The tragedy of the sightseeing bus was caused by the 11th gas tank being hit and causing a leak, not a flat tire. Progress in the investigation into the cause of the fire accident involving a school tour bus in Uthai Thani Province on Vibhavadi Rangsit Road inbound in front of the National Monument, Tambon Khu Khot, Amphoe Lam Luk Ka, Pathum Thani Province, resulting in the deaths of 23 students and teachers. The latest report is that after the police officers from the Forensic Science Center inspected the bus, it was initially reported that the results of the inspection of the gas tanks showed a total of 11 tanks (numbers 1-11). The positions of all 11 tanks, 1-6, were installed at the rear of the bus. Tanks numbered 1-6 were inspected and found to be not expired. The condition of the tanks was checked with the transport department. Tanks numbered 7-8 were not expired. Tanks numbered 7-11 were located under the bus, towards the front of the bus. Tanks numbered 9-10 expired in 2023. Tank numbered 11 had tra ces of broken pipes that revealed the details of the tanks. The cause of the broken pipe was that the condition of the tank was not checked. It was caused by impact and then it fell off. The origin of the fire was the lower middle room. The fuel that caused the fire was the leaking gas. The heat source that caused the fire was a spark inside or outside the room or electrical equipment. In this case, installing the NGV tank in a closed room will prevent the leak from spreading into the air, so the conditions are suitable. When there is a spark, it can catch fire, without the problem of a flat tire as previously reported. The Director-General of the Department of Land Transport recently led a group to attend a meeting with the House of Representatives Transport Committee to clarify the facts of the case for the committee to acknowledge, including measures to take action against all involved parties and measures to supervise and prevent incidents of this nature so that they do not happen again, which are fact s. Mr. Cheep Nomsian, Director of the Automotive Engineering Office, stated that from the inspection of the vehicle, it was found that the right rear door, the lever used to open and close inside the vehicle, still works normally. The vehicle involved in the accident was a single-decker bus. The area below was used to store luggage. It was also found that the tires did not explode, 11 gas tanks were found and a gas pipe was broken, causing the gas to leak, and the front axle was found to be broken and scraped against the road, which is currently being analyzed by the Department of Land Transport and the Forensic Science Division to find the true cause of the fire. Source: Thai News Agency
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