Polish authorities, in a joint operation by police and the Internal Security Agency (ABW), have arrested a suspect in the murder of a Russian citizen in Biała Podlaska. Prime Minister Donald Tusk announced the arrest via social media, stating the suspect is identified by a Georgian passport. The investigation is focused on identifying who commissioned the killing. Tusk indicated that authorities are actively working to determine the motive and any potential connections to external actors. No further details regarding the circumstances of the arrest or the victim have been released at this time. The arrest follows a period of heightened security concerns in the region. Further updates are expected as the investigation progresses.