A huge crash between the Williams of Felipe Massa and Force India's Sergio Perez brings to an end an eventful Canadian Grand Prix.
The drivers were battling it out for fourth place on the final lap when they collided on the start-finish straight.
It ensured no overtaking on the final lap, meaning Red Bull's Daniel Ricciardo won his maiden race.
Perez was later given a five-place grid penalty for causing the crash, which he will take at the next race of the season in Austria.
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