Police release terrifying footage of lorry crashing into motorway traffic while driver sleeps at wheel

This is the moment a lorry driver accelerated into stationary traffic on a motorway in the UK after apparently falling asleep at the wheel.
Mariusz Wlazlo, aged 47, ploughed his fully-laden HGV into two cars at 43mph whilst travelling southbound on the M6 between junction 8 and junction 7.