Red Bull team boss Christian Horner admitted that it would be "embarrassing" if Mercedes didn't have a better car than his team next season

Christian Horner has been sacked as Red Bull team principal, bringing an end to his hugely successful but often fraught 20 years as one of the primary powerbrokers in Formula One.

Red Bull have sacked team boss Christian Horner.Horner, Formula 1’s longest-serving team principal, led Red Bull since its arrival on the grid in 2005.But his contract, due to run until 2030, has now been terminated with immediate effect.