Tension and rain loom over the Canadian Grand Prix

It is shaping up to be a wild weekend in Montreal. We are looking at a forecast that calls for rain, adding a layer of unpredictability to the Circuit Gilles Villeneuve that usually demands perfection from every driver.

The most fascinating story is undoubtedly the tension brewing within Mercedes. While the drivers have combined to win all four Grands Prix so far in the W17, they have rarely had to scrap for the same piece of tarmac. That could change rapidly this Sunday afternoon.