March 29 (UPI) -- Israeli police blocked Jerusalem's top Catholic leaders from entering the Church of the Holy Sepulchre , a centuries-old tradition to mark Palm Sunday. The Latin Patriarchate in Jerusalem said Cardinal Pierbattista Pizzaballa, the Latin patriarch, and Father Francesco Ielpo, custom of the Holy Land, were stopped as they attempted to enter the church. The two leaders traditionally lead a procession from the Mount of Olives to the Church of the Holy Sepulchre, where they