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Bulgaria’s State Agency for National Security (DANS) said it located and neutralized a powerful jammer that was suppressing GPS frequencies across Sofia, including at Sofia Airport (SOF), in a joint operation with the Communications Regulation Commission (CRC) and the Sofia Directorate of the Interior on August 21, 2026. DANS said in a statement the device was found in a “heavily guarded complex” in the capital’s Dragalevtsi district, and that it had been suppressing the GPS frequencies used by the airport, by aircraft overflying Sofia and by television towers. August 24, 2026, 18:02 (UTC +3)