• Iran threatens to expand retaliation beyond the Middle East, potentially targeting US facilities in Europe if President Trump orders new strikes.
  • European officials say US forces could attack at short notice, possibly this week, with nuclear sites among likely targets.
  • Diplomacy remains active, with regional powers mediating and Secretary of State Rubio indicating no decision yet on resuming strikes.

Iran has issued a stark warning that it could widen retaliation beyond the Middle East—including against US facilities in Europe—if President Trump orders renewed military strikes. The threat, attributed to Iran’s supreme leader, Mojtaba Khamenei, and echoed by other officials, marks an escalation in rhetoric as diplomatic efforts continue.

A statement on October 31 instructed commanders to prepare an “immediate, effective” response with “no geographical restriction” and to broaden lists of US and Israeli targets. Former foreign minister and current lawmaker Manuchehr Mottaki subsequently warned that another war “will reach Europe.” The rhetoric follows reports that Trump has raised the possibility of further strikes after the November 3 US midterm elections.

Four European officials told Reuters (TRI) that US forces could attack at short notice, potentially this week, with two suggesting likely targets include nuclear research and development facilities, such as the site known as Pickaxe Mountain. These are reported assessments, not an announced strike order. The White House maintains that “all options” remain available.

Secretary of State Marco Rubio said the US had not decided to resume strikes and that Trump preferred a diplomatic resolution, according to reporting published November 1. Saudi Arabia, Turkey, Pakistan and Qatar have pursued talks intended to prevent renewed fighting. “We are engaged in intensive diplomacy, but the situation remains fluid,” a senior Gulf official said, speaking on condition of anonymity.

Assessing the Threat to Europe

The threat is being taken seriously, but its credibility remains uncertain. Iranian officials and commentators are deliberately signaling that geography should no longer protect US interests. However, the strongest official wording is broad; specific references to Britain, Italy, Greece and Germany have come from commentary interpreting that warning, rather than a published military target list.

Capability is another question. Iran has historically maintained a declared 2,000-kilometer missile-range limit. Janes analyst Jeremy Binnie told RFE/RL that Iran could extend missile range by reducing warhead weight, but reaching Western Europe would require capabilities beyond that traditional limit. He also cautioned that “no geographical restriction” might mean lifting restraints on attacks against particular Gulf countries—not necessarily announcing strikes on Western Europe. The practical conclusion: rhetoric, technical capability and a decision to attack are three separate questions. Iran’s reformist newspaper Etemad has explicitly made that distinction.

Economic and Market Implications

The principal economic risk is damage to infrastructure supporting energy supplies, trade and communications—not simply damage to military bases. Previous Iranian attacks hit Gulf energy facilities, and renewed strikes could put oil infrastructure at further risk, creating a potential channel for higher energy costs and inflation. That is a risk scenario, not evidence of a current price move.

Iranian officials told Reuters that retaliation lists include undersea communications cables, which could disrupt connectivity-dependent businesses. Reuters also identified desalination plants and communications networks among assets potentially exposed. The damage already sustained has raised questions about whether Washington should rebuild, harden or reduce its regional footprint, pointing toward greater expenditure on protection if the US maintains its presence.

The cited reporting does not establish a verified, headline-specific move in oil prices, stocks or currencies; attributing market changes to this threat alone would be premature.

Diplomatic Push and Regional Reactions

Washington’s military pressure versus regional diplomacy is the immediate policy dispute: whether further strikes can sufficiently degrade Iran’s nuclear capabilities to justify the risk of retaliation. European officials told Reuters that attacks on sites such as Pickaxe Mountain would probably weaken, rather than destroy, those capabilities.

Gulf governments face a different calculation: they host US forces but could bear substantial costs from a decision made in Washington. At the Manama Dialogue security conference, Egypt’s foreign minister, Badr Abdelatty, warned that renewed fighting would be more dangerous and destructive; UAE senior official Anwar Gargash called for a diplomatic breakthrough while saying his country was “braced for the worst.”

Threatening European locations expands pressure from the immediate combatants to countries hosting US forces and supporting their logistics. It also challenges the assumption that Europe can support US operations without becoming directly exposed to retaliation. Nevertheless, the reporting does not establish that Tehran has issued an authenticated, detailed European strike plan.

Societal and Historical Context

Civilians near military facilities face direct exposure. Reuters documented strike damage close to residential areas around the US Fifth Fleet’s headquarters in Bahrain, illustrating how attacks on military targets can endanger surrounding communities. Gulf residents could face disruption to essential services if retaliation extends to civilian infrastructure, prompting governments to press for de-escalation.

The immediate background is the US-Israeli campaign that began on February 28, 2026. Iran responded by attacking military and civilian locations in Gulf Arab states, arguing it was targeting US interests. Analysts describe that approach as an effort to make Washington’s partners pressure the US to stop fighting. The current threat extends the same logic beyond the Gulf. There is also a disputed long-range precedent: Britain said Iran unsuccessfully attempted to strike the joint US-British base on Diego Garcia on March 20; at least one Iranian official denied the attempt.

Outlook

In the short term, the immediate issue is whether post-election military pressure produces a negotiated outcome or another exchange of strikes. Reuters reports substantial US readiness and pessimism among some European and Gulf officials, but Rubio’s stated preference for diplomacy and ongoing regional mediation mean renewed war is not a confirmed outcome.

Longer term, Emile Hokayem of the International Institute for Strategic Studies argues that Iran’s objective is attrition: exhausting US resources and demonstrating that American bases can expose host countries rather than protect them. Atlantic Council fellow Dani Citrinowicz warns that an expanded Iranian target set—including communications infrastructure—could make another campaign broader, longer and more grueling than Washington expects. Together, these assessments show why the headline matters beyond Europe: a supposedly limited strike could generate costs across several countries and economic sectors, even without a direct attack on Western Europe.

Correction: An earlier version of this article misstated the date of the US-Israeli campaign’s start. It began on February 28, 2026, not February 26.