Martin O'Neill in hospital as Celtic confirm veteran boss has undergone procedure

Celtic have confirmed that their veteran manager, Martin O'Neill, is currently in hospital after undergoing a small medical procedure. The 74-year-old Hoops gaffer is expected to be discharged later this week. However, it remains unclear whether he will be present in the dugout for the match on Sunday. The club has provided these details regarding the boss's current health status and his expected recovery timeline following the recent clinical intervention.