Both
Williams drivers will start today's race from the pit-lane after engineers decide to change both rear wings on the FW41s.
Sergey Sirotkin and
Lance Stroll were starting from 18th and 19th respectively.
They will join Toro Rosso's, Brendan Hartley who will also start from the pits after his absence from qualifying yesterday. Hartley crashed during FP3 and engineers weren't able to fix the car.
Both Williams drivers spun during the opening session of qualifying yesterday. Stroll beached himself in the gravel trap, but Sirotkin was able to escape only to post the slowest time.
Williams believe it was a DRS issue which was hampering both drivers when it was deactivated. As a result of this, the engineers have changed both rear wings overnight.
“We have an intermittent problem with the floor stall, related only to DRS. It doesn’t recover well enough for the subsequent corner," technical chief Paddy Lowe told motorsport.
“We can only assume now that it’s related to the new pieces even though we did a proper introduction and seemed to have a stable platform as we finished FP2 yesterday."