Moment teen inhales laughing gas at the wheel before smashing into pedestrian & leaving her with horror injuries

THIS is the moment a teenager inhales laughing gas behind the wheel moments before ploughing into a pedestrian.

Shocking footage shows Louisa Tunstall, 19, driving her Fiat 500 in Wigan, East Lancashire, on May 24 last year.

CavendishLouisa Tunstall was seen inhaling a balloon at the wheel[/caption] SUPPLIEDLouisa Tunstall was sentenced to one year and eight months at Bolton Crown Court[/caption] suppliedFootage revealed the moment Tunstall did balloons in the car[/caption]...