'Like a sound from hell:' Was an illegal sonic weapon used against
peaceful protesters in Serbia?
[March 26, 2025]
By JOVANA GEC and DUSAN STOJANOVIC
BELGRADE, Serbia (AP) — Ivana Ilic Sunderic had never heard anything
quite so alarming and disturbing at a protest as the sound that broke a
commemorative silence during a huge anti-government rally in Serbia's
capital, Belgrade.
“It was quiet and peaceful and then we heard something we could not see
… like a sound rolling toward us, a whiz,” Ilic Sunderic said about the
March 15 incident. “People started rushing for safety toward the
pavement, feeling that something was moving toward us down the street."
It was “a subdued sound lasting only 2-3 seconds but very unusual and
very frightening, like a sound from hell,” she said.
Ilic Sunderic was not alone in describing the panic. Hundreds of others
have offered similar accounts, triggering accusations that the police,
military or security services under the tight control of authoritarian
Serbian President Aleksandar Vucic used an acoustic crowd control weapon
to target peaceful protesters.
The weapons, which are illegal in Serbia, emit sound waves which can
trigger sharp ear pain, disorientation, eardrum ruptures or even
irreversible hearing damage.
The incident piled more pressure on Vucic, who has been rattled by
nearly five months of anti-corruption protests over the collapse in
November of a concrete canopy at a railway station in the northern town
of Novi Sad that killed 16 people.
Serbia’s officials have issued often contradictory denials that an
acoustic weapon was directed at the demonstrators. Calls have been
mounting for answers as to what caused the sudden commotion, if not a
sonic device.
An Associated Press video shows thousands of protesters holding up their
lit mobile phones in silence when they suddenly start running away in
panic. A swooshing sound can then be heard.
“I have been going to protests for 30 years but I’ve never heard
anything like this," Ilic Sunderic said.
Lies and fabrications
A defiant Vucic has rejected what he called “lies and fabrications” that
the security services targeted the demonstrators with a sonic device. He
said that such accusations are part of an alleged Western-orchestrated
ploy to topple him.
“If there was a single piece of evidence that a sound cannon was used
against demonstrators, then I would no longer be president," he said.
Serbia’s police, army and the state security agency, BIA, initially all
denied possessing the U.S.-made Long Range Acoustic Device (LRAD), which
is illegal in Serbia and some other countries. When presented with
photos of the device mounted on an off-road vehicle and deployed at the
rally of hundreds of thousands of protesters, officials admitted
possessing a sonic weapon, but insisted it was not used against the
protesters.
The photos showed nothing more than “loudspeakers" that also are
available on eBay, Interior Minister Ivica Dacic said. The rectangular
devices, purchased from a U.S. supplier in 2021, serve to emit warnings
to the crowds in case of major trouble, he said.
“Serbian police have never, including March 15, used any illegal or
unallowed device that is not envisaged by the law, including the device
known as a sound cannon," Dacic said. “Police only use sound devices for
warnings.”
Sonic weapons use sound waves to incapacitate, disorient or harm
individuals by harnessing acoustic energy, causing both physical and
psychological effects, such as dizziness, disorientation or severe
headaches.
Although often described as non-lethal, their use in military, law
enforcement and covert operations has raised serious ethical concerns.
More recently, sonic devices have been used against Somali pirates as
well as migrants in Greece and reportedly in Serbia.
Images from the Belgrade protest show what appears to be an LRAD 450XL.
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In this photo provided by the Serbian Interior Ministry, Serbian
Gendarmerie officers show the U.S.-made Long Range Acoustic Device (LRAD)
– which is illegal in Serbia and many other countries, in Belgrade,
Serbia, Wednesday, March 19, 2025. (Serbian Ministry of Interior via
AP)
The California-based manufacturer, Genasys, said on X that “the video
and audio evidence we have seen and heard thus far does not support the
use of an LRAD during the March 15th incident in Belgrade, Serbia.”
Hundreds complained of consequences
Many who were in the crowd later complained of headaches, confusion, ear
pressure or nausea.
Sasa Cvrkovic, a 23-year-old political science student from Belgrade,
described the sound as a “jet that flew past like some kind of wind.” He
said that it created panic and a brief stampede: “One young man next to
me broke his leg.”
Cvrkovic said he felt nauseous all through the day after the
demonstration. Ilic Sunderic said she felt pressure in her head and
ears.
Reports also have emerged of pressure on doctors at Serbia’s emergency
clinics to withhold records of hundreds of people who sought medical
help and advice after the rally.
Experts doubt the official version
Thomas Withington, an expert in electronic warfare, radar and military
communications at the Royal United Services Institute think tank, said
he reviewed some of the videos from the Belgrade stampede.
“Extraordinary film of people gathering, protesting in the streets
peacefully, the demonstration,” he said in an interview. “And suddenly,
an almost kind of biblical passing of a huge number of people in a very
panicked rush, very sudden and very panicked movement, and the likes of
which I must confess I’ve never seen before.”
He said it was clear that something caused several hundred people to
suddenly panic and move in a very specific way, rushing for cover to the
pavement and abandoning the middle of the street.
“So certainly, the behavior that you see on the film does appear to be
consistent with people reacting en masse to something that is making
them feel deeply unsettled or deeply uncomfortable,” he said.
Predrag Petrovic, a research manager at the Belgrade Center for Security
Policy, a think tank, said, “We can claim with huge probability that
some unconventional weapon, some version of a sonic cannon, was used.”
“I have a lot of experience in participating and monitoring street
protests and I have never seen a stampede happen in a second and along
an almost straight line,” Petrovic said.
In an online petition signed by over half a million people, the Serbian
opposition Move-Change movement asked the United Nations, the Council of
Europe and the Organization for Security and Cooperation in Europe for
an independent investigation.
Several Serbian rights groups announced Tuesday they have taken the
issue to the European Court of Human Rights, saying that they collected
more than 4,000 testimonies from people who complained of various
physical and psychological problems after the incident on March 15. The
court in Strasbourg has given Serbia until the end of the month to
respond, the groups said in a joint statement.
Vucic’s pro-Russia government, however, invited the U.S. Federal Bureau
of Investigation and Russia’s Federal Security Service, the FSB, to
investigate. There has been no immediate answer from the American and
Russian security agencies.
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