A brave son has released harrowing dashcam footage showing his dad's car being crushed by a van driver who fell asleep at the wheel.
Ash Wakefield wants people to think twice being driving while tired so made the decision two years after his dad David was brutally killed.
He has also shared photos of the mangled remains of his dad's white van with the Mirror Online, to shock motorists into realising what their actions can lead to.
The distressing video was taken from a car driving a few metres behind tragic David, 71, on July 28, 2015.
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