'Like a sound from hell:' Was an illegal sonic weapon used against peaceful protesters in Serbia?
Rights groups say they've lodged a case at the European Court of Human Rights, which has given the Serbian government till ...
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Vucic: I said in Brussels there was no sound cannon, we are ready to verify that
Vucic said he had told the EU officials there had been no sound cannon at a March 15 protest in Belgrade and that Serbia ...