Belgrade authorities have used sound weapons on the crowd of protesters. The video description has some educational links.

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  • Sylvartas@lemmy.dbzer0.com
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    15 hours ago

    Some police forces have used sound cannons against protesters, for example during the 2009 G20 Pittsburgh summit,[7] the 2014 Ferguson unrest,[8] and the 2016 Dakota Access Pipeline protest in North Dakota,[9] among others.