New Red Bull boss Laurent Mekies said it felt "a bit unreal" to replace Christian Horner and has emphasised the challenge facing him and the team.

Christian Horner’s exit after 20 years marks the end of an era at Red Bull, but the problems go deeper. What does this decision solve, and what are the team’s most pressing challenges now and for the long term?

Christian Horner, the longest-tenured team principal in Formula 1, is out after two decades. Here's what he told the team.