VIDEO: Hartley in TERRIFYING Silverstone crash!

Brendon Hartley was invovled in a terrifying accident during the third practice session ahead of the British Grand Prix. The Toro Rosso's front-left suspension suddenly failed at the end of the Wellington Straight, pitching Hartley through the gravel and into the barriers at high speed. Thankfully the Kiwi was able to walk away unharmed.