Mercedes driver Lewis Hamilton reacts after winning the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Chris Wattie