Scotsman Dario Franchitti was airlifted to hospital after a horrifying Indycar accident in Houston, Texas, yesterday.

The three-time Indianapolis 500 champion suffering a fractured spine, broken ankle and concussion when his car made contact with rear of Takumo Sato's race car and was sent hurtling into the circuit catch fencing.

While the fencing managed to prevent the worst of the debris from flying into crowd, thirteen spectators were nevertheless taken to hospital with minor injuries following the accident.

A statement on IndyCar's twitter account read: "IZOD IndyCar Series driver Dario Franchitti was admitted awake and alert to Memorial Hermann Texas Medical Center in Houston for a concussion, spinal fracture that will require no surgery and a fracture to the right ankle. He will be kept overnight."

UPDATE: If you thought the track footage of the accident was scary, check out the view from one of the spectators standing just meters away from the catch fence.

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