barcelona hundreds thousands people take streets catalonia capital barcelona sunday express opposition declare independence spain show divide region issue crowd estimate local police number 350,000 wave spanish catalan flag carry banners say catalonia spain together strong pour city center politicians side harden position country bad political crisis decades two catalonia-based company set board meet monday decide whether shift head offices region add intense pressure catalan leader carles puigdemont back away declare independence address regional parliament tuesday spanish prime minister mariano rajoy say saturday would rule remove catalonia government call fresh local election claim independence well suspend wealthy region exist autonomous status catalonia language culture lead pro-independence regional government hold referendum oct. secession defiance spain constitutional court declare vote illegal catalan authorities say referendum show voters overwhelmingly support independence 90 percent vote back secession opinion poll issue suggest region closely divide turn-out referendum 43 percent residents wish remain spain stay home anti-independence demonstration include catalans people part spain underline dispute rive region month ago million people rally city support independence feel catalan spanish araceli ponze 72 say sunday rally face tremendous unknown see happen week speak loudly know want puigdemont address catalan parliament p.m. 1600 gmt tuesday current political situation amid speculation could ask assembly declare independence puigdemont say interview broadcast catalan television sunday law pass catalan parliament prepare way referendum call declaration independence event yes vote apply law say say accord partial transcript release tv3 puigdemont say contact madrid government time spain refuse discuss independence happen catalonia real whether like millions people vote want decide talk say rajoy say repeatedly talk catalan leaders unless drop plan declare independence spanish government send thousands national police region prevent vote 900 people injure officer fire rubber bullets charge crowd truncheons scenes shock spain world dramatically escalate dispute lose catalonia almost unthinkable spanish government would deprive spain 16 percent people fifth economic output quarter export widespread opposition catalan breakaway among people rest country political stand-off push bank company move headquarter outside catalonia board catalonia-based infrastructure firm abertis meet monday discuss move head office elsewhere spain source familiar matter say real estate firm inmobiliaria colonial also call board meet monday discuss move head office catalonia source close firm say company already decide move head offices catalonia include spain third big lender caixabank fifth-biggest sabadell exodus add pressure catalan leaders potentially undermine tax revenues pay company concern grow eu capitals impact crisis spanish economy fourth large euro zone possible spillovers economies european officials also worry soften spain stance toward catalan independence could fuel secessionist feel among group europe belgium flemings italy lombards weekend rajoy remain vague whether would take unprecedented step trigger article 155 constitution so-called nuclear option enable sack regional government call local election however ask ready rajoy tell el pais newspaper saturday rule anything within law ... ideally take drastic solutions happen would change rajoy also say plan leave catalonia 4,000 national police government ship referendum crisis rule use mediators resolve crisis something puigdemont say open add issue would force snap national election sunday demonstration barcelona organize anti-independence group catalan civil society mobilize believe silent majority oppose independence people come demonstrate feel catalan much spanish say 40-year-old engineer raul briones wear spanish national soccer team shirt like things want go like rally address nobel prize-winning novelist mario vargas llosa dual spanish peruvian nationality tell reporters show many catalans want coup etat catalan government foster thousands protest barcelona catalan independence