Watch as violence breaks out in Villa Park stands during Celtic clash - How Celtic's rivals are in line to overtake Rangers' horror Champions League tag - Will Rangers end Celtic's domestic dominance to retain League Cup? - English Premier League trio circling Club Brugge standout ahead of Celtic clash - Forgotten Celtic defender hails 'amazing' rival manager for 'taking fight' to club - Celtic chiefs 'wanted' for transfer meeting as officials jet in - Celtic 6 Aberdeen 0: Celtic wing kings slap down Dons in Hampden humbling - Football legend who once praised Parkhead calls Celtic 'second-class opponents' - Brendan Rodgers names Celtic side to face Borussia Dortmund in Champions League - Celtic's Champions League foes caught up in disruptive public row