Ex-Marussia driver Max Chilton has paid tribute to his former teammate Jules Bianchi, who has died at the age of 25.
Bianchi suffered severe head injuries after crashing into a support vehicle at the Japanese Grand Prix last year and spent nine months in a coma.
Chilton, who raced with Bianchi as a youngster, as well as for two years in Formula 1, said of the Frenchman that it was "a pleasure knowing and racing you".
No words can describe what his family & the sport have lost. All I can say it was a pleasure knowing & racing you.
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— M A X Chilton (@maxchilton) July 18, 2015
Bianchi is Formula 1's first fatality since the death of Ayrton Senna in 1994.