Former Red Bull Formula 1 chief Christian Horner is set to attend this weekend's British Grand Prix at Silverstone, his first race since leaving the squad last July, while announcing his first book.<br>Last year's British GP was the last race of Horner's long tenure with Red Bull, as he was removed from his position before the Belgian Grand Prix as the squad struggled for performance and became ...<a class='more' href='https://www.autosport.com/f1/news/christian-horner-to-attend-f1-british-gp-set-to-launch-memoir/10836115/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>