Don't you just hate it when this happens. There you are driving down the road and then boom, there goes your windscreen.
This startling video of a highway accident involving some roadside debris has been racking up the shares over the last 24 hours.
But it is not just the shocking footage that is driving its popularity on YouTube and the Viral Video Chart, it's conversation over whether it is fake or not.
Well, it certainly looks real enough to us - and judging by the number of shares it has attracted, we are not the only ones.