This is the scary moment a toilet roof flew from a truck and hit the car travelling behind it.

A six-wheeler was carrying the outdoor lavatory on its cargo bed when one of the roof panels was dislodged and hurtled across the road in Phuket, Thailand, on December 15.

Dashcam footage shows the white board flipping in the air before smashing into the car behind.

Driver Bunlop Mheunhan honked at the truck, but it kept moving, unaware of the accident it had caused. He stopped his vehicle in the middle of the road to inspect the damage done.

Bunlop said: 'A piece of roof fell from a green six-wheeler. My car had been damaged and I want the truck driver to take responsibility.

'Until now, the truck driver has not contacted me. But I will not press charges because I'm afraid that the owner could be working with the government. I don't want any trouble.'