madrid spain state prosecutor summon 700 catalan mayors back independence referendum escalation madrid efforts block vote declare illegal officials engage preparations vote could charge civil disobedience abuse office misuse public fund prosecutor say letter deliver local authorities wednesday mayors answer summon police arrest add one mayor say legal move unprecedented think european country ever try make 700 mayors testify say neus lloveras mayor vilanova la geltru near barcelona head association municipalities independence ami nothing hide go testify say everything say days owe people keep work make sure freely express ballot box tell reporters small anti-capitalist cup group govern 19 catalan municipalities say would answer summon call political force catalonia regional parliament pass laws last week prepare referendum oct. 1. spain constitutional court suspend vote prime minister mariano rajoy challenge court judge consider whether legislation contravene spain constitution state country indivisible far 712 total 948 municipal leaders say would allow public space use referendum accord ami mayor barcelona region populous area yet take definitive position ask reassurances civil servants involve process risk lose job website set catalan government give information vote referendum.cat stop work wednesday even spanish media report regional prosecutor order websites promote referendum shut civil guard police confirm go deliver warrant website offices decline say judge order close catalan leader carles puigdemont quickly post two new web address twitter link page information referendum poll show minority catalans want self-rule although majority want chance vote issue hundreds thousands people take streets barcelona week show support independence separate order constitutional court tell regional government officials wednesday 48 hours show prevent vote go ahead spain call catalan mayors question independence vote