Prime Minister Donald Tusk said the goal of the sabotage was to blow up a train and that additional damage had been identified elsewhere on the route.

V Corps commander Lt. Gen. Charles Costanza speaks to soldiers during a transfer of authority ceremony in Boleslawiec, Poland, Oct. 28, 2025. Poland was informed that there would be no U.S. military downsizing in the country, Defense Minister Wladyslaw Kosiniak-Kamysz said in a statement Oct. 30. (Suzanne Ringle/U.S. Army)

Poland’s foreign minister Radosław Sikorski said on Thursday that the Baltic Sea region has become a frontline between democratic Europe and autocratic Russia, calling on allied states to deepen cooperation to defend their shared values and security.

Poland and other countries across Europe that found economic success in an era of collaboration are now facing a crumbling of international alliances.