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Dozens of hooded anarchists clashed Saturday with riot police who blocked their approach to the Austrian border during a protest against plans to tighten border controls to prevent the passage of migrants.
Riot police just 100 to 200 meters (yards) from Italy's border with Austria responded with tear gas after a group of 50 to 80 anarchists who covered their faces with motorcycle helmets and gas masks threw objects including bricks and firecrackers at a police blockade. The news agency ANSA said about 20 protesters were detained and four officers were injured.