Trouble erupts as tourists break ban on Muslim prayers in Spanish cathedral which was once world's second biggest mosqueA confrontation between Muslim tourists and guards employed by the Roman Catholic bishop at the world-famous Cordoba mosque saw two people arrested and two guards injured last night. Trouble broke out when the visitors knelt to pray in the building, a former mosque turned into a Christian cathedral in the 13th century, where a local bishop, Demetrio Fernández, recently insisted that a ban on Muslim prayers must remain. Half a dozen members of a group of more than 100 Muslims from Austria...