EU weighs mutual defence clause after Iranian drone strike hits Cyprus

The European Union is set to put on the table the possible activation of its mutual assistance clause following an escalation of the conflict with Iran that has affected the territory of an EU member state.

An Iranian drone struck a British military base in Cyprus in the early hours of Monday, while two additional drones were intercepted, prompting the evacuation of the base and the surrounding area.

A spokesperson for the European Commission said that Article 42.7 of the EU Treaty, which obliges the bloc’s 27 member states to provide aid and assistance in the event of armed aggression against one of them, has not yet been discussed.

Asked whether Brussels was preparing for such a step in the event of further escalation, Commission spokesperson Paula Pinho said the issue would be examined at upcoming meetings in the coming days.

“This question will certainly be discussed in the various planned forums. For now, such a discussion has not taken place,” she said.

Commission President Ursula von der Leyen stressed that although Cyprus “was not the target” of the drone attack, the EU stands firmly behind its member states.

“We stand collectively, firmly and unequivocally behind our member states in the face of any threat,” she wrote on X.

Commission President reacts to Cyprus base Akrotiri drone attack

Cyprus currently holds the rotating presidency of the Council of the EU. An informal meeting of EU affairs ministers scheduled to take place on the island on Monday and Tuesday was postponed.

Greece rushes warships and fighter jets to Cyprus

Athens has moved to reinforce Cyprus’s air and maritime defences by dispatching warships and fighter jets, mirroring its standing military presence on the island, after drone incidents near the UK’s Akrotiri base underscored the spillover risks from the escalating Middle East conflict.

In the early hours of Monday, security forces at the UK’s RAF Akrotiri were placed on full alert following an explosion on the runway, believed to have been caused by the crash of a military drone.

Cypriot government spokesman Konstantinos Letymbiotis said two unmanned aerial vehicles heading towards the British bases were intercepted in time, stressing that the incident did not target Cypriot infrastructure.

Residents in the Akrotiri airbase area were temporarily asked to leave their homes as a precaution, with some spending the night at facilities in Limassol, while authorities activated civil defence protocols. Cypriot officials repeatedly sought to reassure the public that there was no immediate threat to the civilian population.

The British Akrotiri Bases were put into full mobilization after midnight after an explosion on the runway, which appears to have been caused by a military drone crash. Residents of the municipal district of Akrotiri left their homes, with some staying overnight at Limassol, following instructions from the Cypriot president.

Against this backdrop, Greece announced the deployment of two frigates of the Hellenic Navy, including Kimon and Psara, alongside a pair of F-16 fighter jets to Cyprus. The move, agreed following a telephone call between Greek Prime Minister Kyriakos Mitsotakis and Cypriot President Nikos Christodoulides, is intended to strengthen the island’s anti-aircraft and anti-drone capabilities.

One of the Greek battle ships – Psara – carries the Greek-developed “Centaur” electronic warfare system designed to counter unmanned threats. Combined with the area air defence capabilities of Kimon and aerial coverage from Greek F-16s, Cypriot and Greek officials say the posture provides a clear operational shield.

Cyprus publicly thanked Athens for its rapid response, with Letymbiotis describing the move as part of enhanced preventive measures amid heightened regional instability.

The incidents in Cyprus come as tensions surge across the Middle East, following US-Israeli strikes on Iran and Tehran’s attempts to hit targets beyond its borders. The decision by France to redeploy the aircraft carrier Charles de Gaulle from the Baltic Sea to the eastern Mediterranean has further fuelled expectations of a wider escalation.

The carrier, which operates Rafale fighter jets, is considered the flagship of the French navy and its redeployment was widely interpreted as a signal of European concern over the deteriorating security environment.

British authorities moved to downplay the immediate threat, saying intelligence assessments suggested the risk to eastern Cyprus remained low. As a precaution, non-essential personnel were temporarily removed from RAF Akrotiri, while local communities were told that the potential threat concerned the military installation rather than surrounding villages.

The administration of the UK Sovereign Base Areas stressed that operations at other bases, including Episkopi and Dhekelia, continued as normal and dismissed social media claims of a full evacuation as unfounded.

At the same time, Nicosia voiced dissatisfaction with what it described as a lack of clear and timely assurances from London that the British bases would be used strictly for humanitarian purposes. Letymbiotis said Cyprus did not exclude “anything” and that formal demarches would be made to the UK government.

Call for calm

Cypriot authorities, including the National Council and Civil Defence, urged calm and warned against the spread of unverified information. Shelters were placed on heightened readiness, while officials reiterated that the primary concern remained the safety of citizens and the orderly management of any further developments.

“These hours require readiness, seriousness and absolute coordination,” Letymbiotis said, adding that while complacency was dangerous, there was no reason for panic.

Caption: Iranians drive past a Shahed drone placed next to a picture of Iranian supreme leader Ayatollah Ali Khamenei, at a street exhibition on the occasion of ‘Defence Week’, at the Baharestan Square in Tehran, Iran, 25 September 2025. EPA/ABEDIN TAHERKENAREH