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,

Christian Horner has been officially sacked from Red Bull as the team navigates through a very difficult phase. Horner has led the team through extreme ups and downs since the Austrian outfit joined Formula 1 in 2005.