Spain and France ramped up their security plans ahead of the Champions League quarter-finals matches this week due to a potential threat of terrorism. “To prevent any terrorist threat, the state security forces have activated all of their early warning and protection systems as well as their defence mechanisms,” the Spanish Ministry of the Interior said on Tuesday. European football ruling body UEFA, meanwhile, said it is “aware of the alleged threats” and that the games will take place as planner, the PA news agency reported. “UEFA is aware of alleged terrorist threats made towards this week’…