Poland closes investigation into Russian drones violating airspace on Sept 10, 2025

In Poland, the investigation into the case of Russian drones violating airspace on September 10, 2025, has been closed, RMF24 reports. The District Prosecutor's Office in Lublin discontinued the proceedings as investigators failed to identify specific individuals responsible for the incident. One of the key and unexpected findings during the investigation was that some of the downed drones were equipped with Polish SIM cards. However, prosecutors did not disclose details about how the SIM cards ended up with the attackers.