After Christian Horner’s exit at Red Bull, what are the main questions facing the team and new boss Laurent Mekies

Horner was relieved of his duties as Red Bull F1 CEO on Wednesday in a shock announcement. The 51-year-old won six constructors’ and eight drivers’ titles with the team but fell out with sections of senior management towards the end of his tenure.

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