Russian intelligence services are preparing to release falsified historical documents concerning World War II in a coordinated effort to disrupt relations between Ukraine and Poland, according to a Ukrainian national security official. Andriy Kovalenko, head of the Center for Countering Disinformation at Ukraine’s National Security and Defense Council, stated on Saturday that the information operation is being overseen by Russian Federal Security Service (FSB) Director Alexander Bortnikov.JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. According to Kovalenko, the FSB plans to publish fabricated materials regarding the Volhynia tragedy on July 5. He noted that Russian state media networks have been tasked with amplifying the narrative to exploit historical grievances and provoke bilateral divisions. Diplomatic efforts to address historical tensions The warning regarding the Russian operation coincides with active diplomatic efforts to address recent strains in bilateral ties over historical memory. On Friday, Ukrainian Foreign Minister Andrii Sybiha presented an “anti-crisis” package to Polish Foreign Minister Radosław Sikorski during face-to-face talks in Warsaw. The diplomatic friction followed criticism from Polish officials regarding the naming of a Ukrainian military unit after a historical formation. During the meeting, Sybiha stated that the unit’s designation carried no anti-Polish intent and officially reaffirmed that Ukraine continues to issue permits for search and exhumation operations on its territory.