Ferrari's Development Challenge

Mercedes show their strength once again, but will we have an inter-team title fight between George Russell and Kimi Antonelli after the Italian’s star show in China? Ferrari produced a battle for the ages, so is Lewis Hamilton back to his best? Plus, what is going on at McLaren? Harry Benjamin, former McLaren Formula E driver Sam Bird and the BBC’s F1 correspondent Andrew Benson review the Chinese Grand Prix, asking whether the new rules have worked or whether this is now a ‘battery world championship’.