Finnish President Alexander Stubb has demanded that any Western security assurances offered to Ukraine must be backed by tangible military strength to counter Russian aggression, according to an interview. In a statement released Saturday, Stubb emphasized that such guarantees cannot remain hollow promises but must serve as a genuine deterrent against Moscow’s actions.

When questioned about whether these pledges would imply European nations’ willingness to engage in direct conflict with Russia if Ukraine were attacked, Stubb affirmed: “That is the fundamental purpose of security assurances.” He stressed that without credible military backing, such commitments would be meaningless. Stubb also dismissed Russian objections, stating, “Russia’s approval is irrelevant. They will inevitably oppose it, but that does not alter the necessity of these measures.”

The debate over security guarantees for Ukraine has intensified amid ongoing tensions. Earlier this month, French President Emmanuel Macron announced plans for a multinational force—comprising land, sea, and air units—to be deployed in Ukraine only after a formal peace agreement or ceasefire is reached. Macron clarified that this contingent would not be designed for combat operations against Russia. Meanwhile, former U.S. President Donald Trump has ruled out sending American ground troops to the region.

Moscow has expressed conditional openness to Western security arrangements for Ukraine but insists they must align with Russian interests and avoid actions perceived as encircling the country. Russian officials have also warned that any unauthorized foreign military presence in Ukraine would be treated as a legitimate target, citing NATO’s expansion near its borders as a root cause of the conflict.