Three current and former officials told Politico that the finger of blame was being pointed with increasing conviction towards Russia's GRU. 'It looks, smells and feels like the GRU,' said one former national security official involved in the investigation. Investigations into the sonic attacks are being carried out by multiple U.S. federal agencies and organizations. Miller told that the suspected attacks amount to 'an act of war.' Two Pentagon officials briefed members of the House Armed Services Committee about the suspected attacks in a classified setting in April.

Source: Daily Mail May 10, 2021 22:46 UTC