PARIS— Police arrested at least 1,800 people across France after violent groups clashed with officers and looted shops during nationwide demonstrations that drew hundreds of thousands who denounced rising living costs and poor conditions in schools. Authorities said masked groups on Saturday set fires and attacked public buildings, including city halls, in several cities. In Limoges, a city in central France, flames engulfed the 19th-century City Hall, causing its roof to collapse. Haute-Vienne prefect Maurice Barate told LCI television that the fire was deliberately set and nearly destroyed the building. The fire was under control Sunday. READ: School blockades: Hundreds detained in France, says […]...

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