Henry Surtees (l) had his first F2 podium finish on Saturday
The son of motorsport legend John Surtees has been killed in a "freak" accident during a Formula Two (F2) race at Brands Hatch in Kent.
Henry Surtees, 18, was flown to the Royal London Hospital after he was struck by a wheel which flew off Jack Clarke's car.
His father, John, who won the Formula One World Championship in 1964, said Henry would be "deeply missed".
"Henry had followed his heart from the time he first sat in a kart," he added.
Mr Surtees, of Surrey, who is the only man ever to have been world champion on two wheels as well as four, said: "He treated seriously the balance between motorsport and school, having just finished his A-levels.
"The world beckoned and he was thriving on the freedom to concentrate on his motorsport.
"Despite bad luck in his motorsport, he had shown himself to be one with the possibilities of reaching the very top."
He added: "Despite his young age he had shown maturity, technical understanding and speed.
"Most importantly he was a nice person and a loving son. He will be deeply missed."
Sunday's race was red-flagged while Surtees was removed from the scene.
The accident happened between the circuit's Westfield Bend and Sheene Curve.
Clarke's car hit a tyre wall and a wheel came off, hitting Henry Surtees on the head and knocking him unconscious.
'Dangers we face'
The teenager's car then struck the trackside barriers.
A spokeswoman for South East Coast Ambulance Service said Surtees had been taken from the scene by helicopter.
On Saturday, he had claimed his first F2 podium finish, coming third in the opening race of the Brands Hatch weekend.
World Touring Car driver Andy Priaulx, who was at the Kent race circuit on Sunday, said: "Our sport can be cruel, but never crueller than when it claims a life. It is a tragedy when this happens and yesterday we witnessed this at Brands Hatch.
"Henry Surtees was a fine young man on the verge of his career in the sport, who I had the pleasure to tutor when he was racing in Formula BMW.
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