Authorities in Leuven have banned Union Berlin fans from entering the Belgian city and its surrounding areas as the German club visit Royale Union Saint-Gilloise in the Europa League on Thursday. With the measure, the city of Leuven aims to prevent Union supporters from travelling to the stadium without a ticket. European ruling body UEFA has not allowed Union to sell tickets to their fans due to misconducts in the away block during the game at Malmö on October 6. The local police authority has also pointed out that an ID check will be carried out at the stadium and entry will not be allowed t…