Celtic have announced that Martin O’Neill is recovering after undergoing ‘a small procedure’ in hospital. The announcement came after speculation began brewing online that the former Republic of Ireland boss had suffered a serious medical incident just days after the start of the new Scottish Premiership season. Use AI to go deeper into the stories you care about – powered by ExtraThe statement read: ‘In response to speculation, we can confirm that Martin O’Neill has undergone a small procedure in hospital. Martin O’Neill, Interim Manager of Celtic lifts the William Hill Premiership trophy. O’Neill previously managed Celtic from 2000-2005 before returning twice as interim manager last season, firstly after Brendan Rodgers’ departure, and then after Wilfried Nancy’s ill-fated spell at the club.