Move to save Manila basilica garners huge support Petition to protect San Sebastian Basilica from development threat gets 400,000 signatures in a matter of days San Sebastian Basilica in Manila’s Quiapo district. (Photo supplied) An online petition launched by a church group in Manila Archdiocese to save a landmark church in the Philippine capital has garnered 400,000 signatures in only two days, organizers say. The petition on change.org, started on Jan. 11, calls on authorities to halt the construction of a 31-story condominium that the group says could threaten the architectural and structural integrity of San Sebastian Basilica in Manila’s Quiapo district.