Emil Græsholm, chief of counterintelligence at Denmark's domestic intelligence service PET, said in an interview with Berlingske that Russian security services are actively preparing sabotage actions against Denmark's defense industry. ^[1] Danish authorities have revealed that Russia is engaged in concrete planning and preparation for sabotage against Denmark. ^[2] Emil Græsholm, the chief of counterintelligence at PET, stated that the agency has discovered specific Russian operations on Danish soil. ^[3] Danish newspaper Berlingske reported on 2026-09-02 that Danish authorities have uncovered plans and preparations for Russian sabotage in Denmark, with targets including companies in the defense industry that have connections to military aid for Ukraine. ^[4] Emil Græsholm, head of counterintelligence at Denmark's domestic intelligence service PET, told Berlingske that the main goal of the Russian sabotage plans is to stop concrete deliveries for Ukraine's defense and to frighten Danes into no longer supporting Ukraine and not expanding Denmark's own defense capability. ^[5] Emil Græsholm said defense industry companies in Denmark have been urged to tighten their security measures in response to the uncovered Russian sabotage plans. ^[6] Emil Græsholm told Berlingske that the target selection and preparations for Russian sabotage are so concrete that PET judged it necessary to warn the public that the threat must be taken seriously, and he named arson as a possible goal of the Russian plans. ^[7] Emil Græsholm of the Danish Security and Intelligence Service (PET), quoted by Berlingske, said the primary goal of the Russian sabotage was to halt certain supplies for Ukraine's defense and to frighten Denmark into stopping support and expanding its own defense, naming arson as a possible objective. ^[8] Polish Prime Minister Donald Tusk said on 2026-09-02 that a fire at Polish drone producer WB Electronics was unquestionably sabotage, and that a separate fire at a Lublin aviation parts producer could also be arson, though conclusive evidence was lacking. ^[9] Ukrainian Foreign Minister Andrii Sybiha said on 2026-09-02 that Ukraine had filed an official warning with the International Civil Aviation Organization (ICAO) advising airlines to avoid Russian airspace due to increased military activity and to avoid unintended incidents. ^[10]