Red Bull have responded after Jos Verstappen sensationally called for Christian Horner to leave the F1 side. Horner continues to face scrutiny despite being recently cleared of misconduct by Red Bull, with the 50-year-old confident of keeping his job as team principal. There have been claims the Briton’s relationship with Jos is ‘badly damaged’ despite the success Max Verstappen has enjoyed in recent years. But Jos seemingly confirmed bad blood between the pair on Saturday, shortly after his son won the first race of the season at the Bahrain Grand Prix. “There is tension here while he remains…