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Championship leading Italian teenager Kimi Antonelli set the pace on Friday ahead of Mercedes team-mate George Russell in an incident-hit extended opening practice at the Canadian Grand Prix.
The 19-year-old, chasing a fourth consecutive victory to extend his 20 points lead ahead of Russell in the title race, was fastest on both hard and soft tyres as he wound up on top in one minute and 13.402 seconds.
This lap took him 0.142 seconds clear of pre-season favourite Russell in a session…