Red Bull fired Horner after poor performances on the track and an exodus of key staff. Now it faces an uncertain future.

Having been ousted by Red Bull on Tuesday evening, the Milton Keynes-based outfit's team boss Christian Horner stated that the decision came "as a shock" for him.

Christian Horner has been sacked as Red Bull team principal. The 51-year-old had been in the role since 2005, overseeing ...