George Russell’s British Grand Prix ended in heartbreak after he was forced to retire his Mercedes having started the race on pole. The 26-year-old put in a stellar display on Saturday to finish ahead of team-mate Lewis Hamilton in a Mercedes front-row lockout. Lando Norris and Max Verstappen were behind the two Mercedes drivers on the grid, setting up a fascinating battle at Silvrestone. It was a clean getaway from the frontrunners with the weather soon having a huge impact on the race. Hamilton took the lead from Russell before they were both caught by Norris when they came into the pits for…