A teenage racing driver from Charlwood who lost both his legs in a crash is to walk part of Brands Hatch for charity.

18-year-old Billy Monger is raising money for the air ambulance service as a thank you for saving his life.

The Formula 4 driver hit the back of a stationary car at Donnington Park in April and had to have both legs amputated.

You can find out about the event and how to donate here:  https://www.facebook.com/billymongerracing/