The Highways Agency has advised drivers to dip their headlights when they see deer and to not approach an injured animal following a collision, but to call the emergency services.

BBC: Drivers in Epping Forest warned about rutting deer

Anyone with information is asked to call Wiltshire Police on 101 and ask for the Serious Collision Investigation Team.

BBC: Swindon A419 crash: Two female victims named by police

The court heard that after the collision, Dickson stopped his Mercedes nearby and a stunned Mr Wilson yelled at him to call an ambulance.

BBC: Archie Dickson admits Mark Sanders hit-and-run death