EXCLUSIVE: Robert Kubica sends safety warning in Mercedes and Toto Wolff swipe

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Robert Kubica has appeared to hit back at Mercedes and Toto Wolff for pushing for regulation changes to porpoising issues. The Silver Arrows has struggled with bouncing all season with Wolff appearing to call for changes at the Azerbaijan Grand Prix last weekend.

George Russell has also been vocal on the porpoising issues, warning something will happen to a driver on the grid if no action is taken. However, Kubica has claimed "safety shouldn't be used to gain performance" in an apparent swipe at Mercedes' consistent push for rules changes.

The Alfa Romeo reserve driver has called on engineers to "find a compromise" themselves but stressed teams were not making changes as they were desperate to not lose performance.

Speaking to Express Sport, he said: "The solution is very very simple, in the end we went in this