A video shows a car engulfed in flames at London Luton Airport hours before a huge fire caused the multi-storey car park to partially collapse. <br /><br />An eyewitness, who wished to remain anonymous, said the vehicle's fuel tank exploded.<br /><br />The video was recorded on Tuesday night at 8:52 pm, almost an hour before Bedfordshire Fire and Rescue declared the airport incident at 9:38 pm<br /><br />The eyewitness said they attempted to put out the fire using an extinguisher. <br /><br />She said: "I was picking up my mother-in-law and daughter from the airport. They were arriving from Romania.<br /><br />"When we first saw the fire we tried to put it out. I filmed a short video in case I needed to show airport staff.<br /><br />"We went down to a lower floor to find a fire extinguisher as there were already two empty ones nearby. <br /><br />"By the time we got back the fuel tank had already exploded and there was nothing we could do."<br /><br />The blaze later became large enough to cause the building to partially collapse, injuring four firefighters and one member of airport staff.<br /><br />At its peak, the fire was being tended to by more than 100 firefighters, 15 engines and three specialist aerial appliances.<br /><br />All flights are cancelled until at least 3:00 pm today (11/10), affecting 25,000 passengers.