Laurent Mekies, the boss of sister team Racing Bulls, will replace Horner, who has been with the team since its inception in 2005 and led it to 124 wins and numerous championships.

F1 correspondent Andrew Benson analyses Christian Horner's departure from Red Bull, a decision that was 18 months in the making.

As shocking as Christian Horner’s exit is, the biggest question it has raised is: what does this mean for Max Verstappen's future?