Foreign Minister Maria Malmer Stenergard told Poland's Gazeta Wyborcza daily that any sabotage on the territory of NATO and the European Union was unacceptable and should trigger an immediate and unified reaction.
Commenting on Polish reports that an explosive device had been placed on a railway line near Garwolin, where it damaged tracks, she said investigators were still working and all details of the incident were not yet known.
"We have already seen many such events in recent months. They form a certain pattern," she said, adding that Russia "constantly tries to provoke us, testing how we will react. That is why we must stand together and react immediately."
Asked how to respond to such sabotage, she said Poland must first establish what happened and who was behind it. In a hybrid war, she added, it was crucial to confront Russia with "strategic dilemmas" about whether it really pays to create threats.
"I'm not saying we should respond symmetrically, but in a way that makes clear we will not tolerate acts of sabotage on NATO territory," Malmer Stenergard said.
On how NATO allies can help each other in the face of hybrid threats from Russia, she highlighted the importance of rapid intelligence sharing and signaling solidarity.
"It is also vital to show immediately that we operate on the principle of one for all, all for one," she said, warning that a hybrid attack could strike any ally, including the Baltic states, Finland or Denmark.
She said allies must know what is happening and quickly support any partner in need, noting that technologies used in threats such as drones were evolving fast.
"There are means to disrupt or destroy them, but technologies change very quickly," she said, adding that NATO countries must cooperate closely and work with Ukrainians, who "have enormous knowledge when it comes to the modern battlefield."
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Source: PAP