Dramatic video shows speeding driver before he crashes and fatally injures pedestrian

This dramatic video footage shows a driver speeding at 80mph along country lanes and overtaking cars minutes before crashing into, and fatally injuring, a pedestrian.

The police dashcam footage shows how during the frightening high-speed chase through Derbyshire villages, the driver overtakes and undertakes numerous cars, collides with a lorry and narrowly avoids an oncoming tractor.