Red Bull has sacked long-serving Formula One principal Christian Horner and promoted Laurent Mekies from sister team Racing Bulls in the role of chief executive. Horner, 51, had been in position since becoming the youngest team boss when Red Bull made its debut as a constructor in 2005.

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

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.