Protesters in Serbia who staged one of the country’s biggest-ever rallies claim the authorities used a prohibited, ...

Four of these videos contain a sound consistent with the noise produced by a vortex ring gun or vortex cannon,' the NGO told ...

The Serbian government has been accused of using a sonic weapon against anti-government demonstrators during a protest in Belgrade, Serbia. At around 7 p.m. local time on Saturday, during a 15-minute ...

Student demonstrators who gathered in Belgrade on March 15 were panicked by a loud, strange sound some described as "creepy." ...