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Serbia Invites Russian FSB Officers to Investigate Use of “Sound Cannon” at Protests

President of Serbia Aleksandar Vučić has confirmed that representatives of Russia’s Federal Security Service (FSB) arrived in the country to assist in investigating allegations of the use of a “sound cannon” against protesters.
According to Serbian news agency Tanjug, Vučić stated on March 29 that FSB personnel arrived on Friday evening and have already begun inspecting devices that may have been deployed during demonstrations.
“They will walk around and examine all the devices we have. They will look at what they are, how they work, and in what way they are used,” Vučić said. “They will stay here for several days—I think seven or eight—and afterward they will present their position on the so-called 'sound cannon'.”
The Serbian president said the goal of the investigation is to counter what he described as misinformation about the protests and the government’s response. “There will be even more lies exposed,” he claimed, adding that the public will see “what the opposition uses and how they deceive citizens.”
The investigation follows accusations from student protesters who claimed that Serbian authorities deployed a sound cannon during a silent vigil commemorating 15 people killed in an incident in Novi Sad on March 15.
Videos shared on social media appear to show a loud noise causing panic among the crowd. Local media, including N1 and Visegrád 24, reported that the incident occurred shortly after police officers were seen leaving the area.
These devices can emit sounds at levels exceeding 160 decibels, potentially causing hearing damage, disorientation, and panic.
Serbian officials, including the president, the Ministry of Internal Affairs, and the Ministry of Defense, have denied the use of such technology. However, Vice Prime Minister Aleksandar Vulin publicly expressed gratitude to Russian security services for their support in response to the protests.
Vulin’s ties to Russia have drawn criticism from European officials. European Commissioner for Enlargement Marta Kos stated in an interview with N1 that she would prefer Vulin not to be part of Serbia’s future government, emphasizing that those who act against European values cannot simultaneously lead a country toward EU membership.
Vulin, a former head of Serbian intelligence and defense minister, has previously voiced support for the concept of a “Serbian World” and has been sanctioned by the United States for his alignment with Russian interests.
