Vettel fastest in second Canada practice
Red Bull driver Sebastian Vettel was fastest on Friday in the second practice session for the Canadian Formula One Grand Prix, dpa reported.
The German took 1 minute 16.877 seconds for the 4.361-kilometre circuit to edge Ferrari driver Fernando Alonso into second place.
Vettel's compatriot Nico Rosberg was third in a Mercedes in a time of 1:17.151, followed by the second Red Bull driver Mark Webber in 1:17.273.
McLaren's Jensen Button was fastest in the first practice session earlier in the day.
McLaren got a one-two from Button and Lewis Hamilton in the last race in Turkey after the leading Red Bull drivers Webber and Vettel collided. McLaren are also tipped to do well in Montreal because of their superior top speed.
Qualifying is Saturday and the race on the street course takes place on Sunday.
Webber has a slender championship lead with 93 points from seven races ahead of Button (88), Hamilton (84), Alonso (79) and Vettel (78).