Celtic and Utrecht fans clash ahead of Europa League tie as fireworks 'launched at police'Opposing fans clashed outside the Celtic Supporters Club on London Road in ugly scenes around an hour before kick off. Celtic and Utrecht fans clash ahead of Europa League tieShocking footage has emerged of Utrecht fans clashing with Celtic supporters ahead of their Europa League tie at Parkhead on Thursday night. Despite that, opposing fans clashed outside the Celtic Supporters Club on London Road in ugly scenes around an hour before kick off. ‌Footage shared on social media showed fireworks being launched towards Hoops supporters outside the building. The result was enough to see the Hoops progress to the Europa League playoffs, where they will take on either Ferencvaros or Stuttgart.