barcelona spanish government reluctantly force send national police stop referendum catalan independence descend farce top spanish official northeastern region say sunday aim national police civil guard police descend poll station catalonia seize election materials target people want vote enric millo madrid government representative catalonia tell news conference make something want say refer catalan government announcement sunday people would allow vote poll station find open region millo say sham farce first time history rule game change 45 minutes start vote spain reluctantly force act catalan vote official say