In a statement released on March 6, 2026, the Kremlin has said that Finland’s decision to lift its legal ban on hosting nuclear weapons would increase tensions in Europe. This has escalated rhetoric a day after Helsinki announced plans to change its law to better align with NATO’s deterrence framework. Moscow also argued that the move would make Finland more vulnerable.
According to the Kremlin, Finland hosting nuclear weapons would threaten Russia and trigger a response from Moscow. European and Nordic countries are moving closer to NATO’s nuclear posture in ways that the Kremlin considers destabilizing.
Helsinki moves to remove Cold War-era restriction
Finland’s government said on March 5, 2026, that it plans to amend the 1987 Nuclear Energy Act, which currently prohibits the import, manufacture, possession, and detonation of nuclear explosives on Finnish territory. Finnish Defense Minister Antti Hakkanen said that the change was needed in order for Finland to fully exercise its role inside NATO’s deterrence and collective defense system. The bill is set to go to parliament, where the governing coalition holds a majority.
Finland’s own defense ministry already notes that the current legal framework not only bans nuclear explosives but also makes the transport of nuclear weapons through Finland a punishable offence.
The shift reflects how far Finland’s security posture has moved since Russia’s full-scale invasion of Ukraine. After decades of military non-alignment during the Cold War and beyond, Finland joined NATO in 2023.
Neighboring Sweden said in May 2024 that it could consider hosting NATO nuclear weapons in wartime, even while rejecting peacetime basing. More recently, Swedish Prime Minister Ulf Kristersson confirmed that Stockholm had begun talks with France and the United Kingdom on nuclear deterrence, reflecting a wider reassessment of Europe’s security architecture.
Part of a wider European deterrence rethink
The Finnish decision also lands amid a broader European debate on nuclear deterrence. In a speech from Ile Longue on March 2, 2026, French President Emmanuel Macron outlined a new framework under which European partners willing to engage more deeply on deterrence could be more closely associated with France’s stance. He described a form of “forward deterrence” that could include dispersing nuclear-capable French air assets onto allied territory during a crisis, while keeping the nuclear decision entirely in French hands.
Russia has also responded sharply to these developments. On March 4, 2026, Moscow called France’s evolving nuclear posture destabilizing, with Kremlin spokesman Dmitry Peskov arguing that French and British nuclear forces should be counted in any future talks on strategic balance. Taken together, the reactions suggest the Kremlin sees Finland’s legal shift not as an isolated national adjustment, but as part of a wider European move toward more explicit nuclear signaling on Russia’s borders.