A citizen of Ukraine has been charged in Poland over alleged assistance in planning acts of sabotage on railway infrastructure, prosecutors said. The case was filed with the Warsaw Regional Court and relates to events from autumn 2025 in the towns of Mika and Gołąb. Prosecutors from the National Prosecutor's Office handled the multi-thread investigation, which focused on alleged cooperation between the accused man and Russian intelligence. Authorities say the accused helped prepare acts of diversion on Polish rail infrastructure. Officers from the Central Bureau of Investigation of the Police (CBŚP) were heavily involved in the casework. Investigators from the CBŚP unit in Radom carried out key steps to gather evidence and clarify the circumstances of the incidents. The matter is now before the court after the indictment was sent to the Warsaw Regional Court.