A demonstration from fire authorities for a school in Vác, Hungary has gone horribly wrong.

Fire crews lit a car on fire and were set to show the fire truck and firefighters in action dousing the flames.

As you can see in the footage, however, when the fire truck came speeding towards the burning car, it made an overly-ambitiously sharp turn and went up on two wheels. The driver is believed to have over-corrected ,and as the truck came slamming back down, it rolled over onto its side.

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Vaci Diary Online reports that there were five fighters inside the truck when it crashed. They were taken to a nearby hospital to be treated for minor injuries and were later released.

A crane had to be called up to lift the truck back onto its wheels and tow it away. It suffered a significant amount of damage, with much of the side it rolled onto being severely dented and the windshield smashed,but it does appear to be repairable and hopefully won’t be out of service for too long.

Local police say they are investigating the crash to ensure something like this doesn’t happen again.

Perhaps the most important thing is that none of the school children watching the demonstration were injured in the incident. If the truck had teetered up on two wheels and flipped over while pointing in the direction of spectators, things could have turned tragic.