The Spanish police ordered a Basque-language newspaper to shut down today and arrested 10 members of its staff, including the editor, accusing them of helping the violent separatist group E.T.A. in its campaign for an independent Basque country. The dawn arrests — carried out by 300 officers — and the closing of Euskaldunon Egunkaria, the only Spanish newspaper printed solely in Euskara, the Basque language, was part of a new government crackdown on E.T.A. and its supporters. On Wednesday, the police detained 14 people accused of belonging to E.T.A., whose initials stand for Basque Homeland and Freedom in Euskara. On Tuesday, 10 youths were arrested and accused of taking part in the separatists’ campaign of street violence. Full Story