Red Bull motorsport advisor Dr Helmut Marko has reflected on his time working with Christian Horner, a partnership which stretches back more than two decades. Horner was unceremoniously dumped by Red Bull Racing on Tuesday afternoon,

Red Bull motorsport advisor Helmut Marko has pledged not give up on the Formula 1 title fight until it's mathematically impossible for Max Verstappen to win.

Max Verstappen's future was in the headlines even before Red Bull sacked Christian Horner as team boss. But will that decision influence the four-time F1 world champion's call on whether he stays or goes?