brussels german chancellor angela merkel european commission president jean-claude juncker discuss catalan crisis phone call eu official tell reuters saturday sign grow unease potential disruption across europe call signal fresh concern possible declaration independence next week catalan regional parliament reaction spanish government could exacerbate already spain bad political crisis decades juncker speak merkel india friday sideline eu-india summit discuss situation spain among things eu official say without add detail concern grow eu capitals negative impact crisis spanish economy fourth large euro zone possible spillovers economies bloc european finance minister gather brussels monday tuesday regular meet could discuss issue although formally agenda eu officials say eu commission repeatedly urge catalan spanish leaders find political solution support give public statements eu leaders spain prime minister mariano rajoy combine concern express private spanish government use police prevent catalans vote last week independence referendum could backfire spanish government apologize first time friday police use violence .. eu state worry talk catalan independence could fuel secessionist feel part europe merkel juncker discuss catalan crisis eu official