Guest writer John Beamer reviews the technical changes on the cars at the Canadian Grand Prix.
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Button claimed a remarkable win for McLaren – but also collided with his team mate.
Vettel led under pressure for the third race in a row – and this time it got to him.
Both Ferrari drivers were unhappy after the Canadian Grand Prix.
Schumacher was second with six laps to go but couldn’t keep Webber and Button behind.
Kamui Kobayashi spent almost half the race in second place but dropped to seventh.
Renault were set for a good haul of points until Heidfeld crashed out.
Williams were in the points for the second race in a row in Canada.
Toro Rosso got both cars home in the points for the first time in over two years.
Paul di Resta was holding fifth place when he collided with Nick Heidfeld.
Vitantonio Liuzzi gave HRT their best finish of 13th to pass Virgin in the championship
Jarno Trulli’s race was hampered by a part which fell off his car in the cockpit.
Timo Glock lost places with a flat-spotted tyre in the closing laps in Canada.
Jenson Button is the first driver to take the race lead on the last lap since 2005.
Pictures from the very wet Canadian Grand Prix.
From dead last on lap 40, Jenson Button took the lead to win 30 laps later.
The stewards called Buttons two collisions “racing incidents”.
Jenson Button scored an sensational victory in the Canadian Grand Prix, passing Sebastian Vettel on the last lap.