Carlos Sainz praises Williams improvement

Harry Benjamin, Jennie Gow and former McLaren mechanic Marc Priestley look back on a dramatic Qatar Grand Prix. On the day that Lando Norris could claim his maiden F1 world title, would the Briton seal the championship, or would the fight go down to the last round in Abu Dhabi next week? We hear from Norris, as well as rivals Oscar Piastri and Max Verstappen.