The hospitals too? Got any sources yourself for those? The government agencies denying it I don't find particularly damning, because it makes sense to me that they would deny it, even if they did use them.
> Belgrade’s emergency hospital has denied reports that many people sought help after the incident and urged legal action against those who “spread untrue information”.
Gonna be honest with you, "urged legal action against those who “spread untrue information”" sounds blatantly like propaganda to me. Can you imagine any decent healthcare worker responding like this to a situation like this, even if they disagree that such a weapon has been used?
But let's ignore that bit, not even important. If I read it right, the hospital "has denied reports that many people sought help". So they did not deny that those who did showed symptoms consistent of an LRAD or ASD deployment? Kind of a nothingburger I'd say.