Britain's Jenson Button has hailed his F1 2011 Canadian Grand Prix triumph the 'best of his career'.

Button put in a fantastic drive in the tricky conditions and eventually took the lead on the very final lap after hunting down Sebastian Vettel and pressurising the German into a mistake.

It was a great comeback, especially after a collision with his own McLaren team-mate, Lewis Hamilton and an incident with Fernando Alonso, and in total he stopped six times - including one drive-through - en-route to his tenth F1 victory.

"That was the best victory of my career, and today is therefore a very special day for me. I fought my way from last to first to win the race, and I overtook the cars in front of me on the track. To win a grand prix by getting one over on your rivals with a series of strong overtaking moves makes it even better," Button said.

"Races in changing conditions are always very tricky - but I love it when you've got to search for grip on the track rather than knowing in advance where it is.

"It was an amazing victory - I don't think it could have been any better, especially after Monte-Carlo where we thought we had a win in the bag but were then disappointed at the very end. I was a little bit fortunate today when Sebastian [Vettel] made a mistake on the last lap, but I think we deserved that bit of luck!

"As far as the incident with Lewis is concerned, I couldn't see a thing behind me except a blur of Vodafone rocket-red, but that could have been my rear wing: obviously, it's the same colour as Lewis's car. I moved to the left, which is the racing line, then I felt a bang, and I feared it was game over for both of us.

"Lewis knows that I didn't do it on purpose, and I know that he didn't do it on purpose either. I spoke to him before the race restarted, and it's all good.

"I want to offer big congrats to Dave [Robson], my race engineer. We haven't won together before, so this is a very special result for him as well as for me. Now, I just want to enjoy this moment; it's been a long time coming and it couldn't have been much sweeter.

"I can't stop smiling now!"