Poland's Foreign Minister says NATO members should prepare a robust response for a possible deadly Russian “hybrid” attack amid increasing concerns about Moscow’s escalating its sabotage campaign on European soil, according to FT

Warnings of this kind from frontline member states have become a recurring feature of the confrontation between Russia and NATO, and the established pattern is that rhetoric alone produces little sustained market reaction: the asset response has historically been reserved for a verifiable kinetic or infrastructure incident on alliance territory, which raises the Article 5 question. The transmission channels to watch if escalation does occur are the European defence and aerospace complex, the euro and front-end core rates via safe-haven rotation into Bunds and the dollar, and European gas and power pricing where sabotage concerns touch pipelines, cables, or LNG infrastructure, with freight and insurance premia the usual first mover on the maritime side. Poland sits among the more hawkish voices in the alliance on Russia, so the sourcing matters: statements from Warsaw and the Baltic capitals have tended to run ahead of the alliance consensus, and the tell is whether the call is echoed by Washington, Berlin, or the NATO Secretary General rather than remaining a bilateral plea. The case distinction that matters is between attributed sabotage, which has so far drawn sanctions and diplomatic expulsions, and a deadly incident, which would test response thresholds that have never been exercised. Follow-ons worth noting are any formal NATO deliberations, attribution findings from ongoing sabotage investigations, and Russian denial or counter-accusation patterns, which in past episodes have preceded further incidents.