Christian Horner admitted he misses Formula One and has unfinished business in the sport as he spoke publicly for the first time since he was ousted by Red Bull. Horner, 52, was dismissed as Red Bull team principal following July’s British Grand Prix before his official exit was agreed in September. He oversaw a period of extraordinary success during his 20-year career with Red Bull, winning eight drivers’ and six constructors’ titles. Christian Horner was ousted as team principal after the British Grand Prix (David Davies/PA)Alpine confirmed last week that Horner is among a group interested in investing in the team. I miss the sport, I miss the people, I miss the team that I built.