Lewis Hamilton and Max Verstappen took Formula 1 racing to a “more dangerous” level swith their antics in 2021, Vitantonio Liuzzi saying F1’s stewards are having to clamp down on that.

F1’s new budget cap, introduced this season, limits spending to $145 million per team in 2021 and $135 million by 2023—an earth-shattering change at top teams Mercedes, Ferrari and Red Bull ...