This is the shocking moment an ambulance exploded while a patient was being loaded into the back on a stretcher.<br /><br />The man was being wheeled into the vehicle when an oxygen container suddenly burst into a flames and a cloud black smoke in Suphanburi, central Thailand, on Tuesday afternoon (June 23).<br /><br />Terrified staff ran for cover while the elderly man limped from the gurney and hobbled away. A paramedic is seen on CCTV escaping from the ambulance cabin as it is filled with smoke. <br /><br />The driver Chakrit Paomongkol, 37, said he prepared the oxygen for the patient before he heard a leak and it exploded.<br /><br />Chakrit said: "I drove the ambulance to the stop and was preparing the equipment for the patient that was about to board.<br /><br />"While opening the tank I heard the sound of the gas leak but did not give it much attention because the staff had just changed the tank earlier, so I didn't think there could be a problem.<br /><br />"Then while the hospital staff were about to load the patient onto the car the tank exploded."<br /><br />Firefighters rushed to the hospital and spent 20 minutes extinguishing the fire before they let the police take over the case.<br /><br />Officers collected evidence to investigate about the explosion.<br /><br />Police Major Rangsan Lomthongsai said they believed that the gas exploded after it was ignited by a spark.<br /><br />He said: "We think the oxygen leaked out of the tank and then there might be a spark in the car that ignited the explosion.<br /><br />"We will bring the oxygen tank back to the station to examine it to look for the cause of the leak that caused the explosion."
