EU Summit in Cyprus Pushes Mutual Defense Playbook

Nicosia, Cyprus - European Union leaders gathered in Cyprus on Thursday for an informal summit where President Nikos Christodoulides urged them to develop a clear operational plan for invoking the bloc's mutual defense clause in the event of an attack on a member state.

Christodoulides, whose country holds the rotating EU presidency until June 30, highlighted the need for a "playbook" to guide responses under Article 42.7 of the Treaty on European Union. The provision requires all 27 member states to provide aid and assistance "by all the means in their power" to any partner facing armed aggression. Invoked only once, by France after the 2015 Paris terrorist attacks to seek anti-terrorism support, the clause has never been tested in a state-on-state military context, leaving its practical application undefined.

The Cypriot president's push stems from a recent security incident on the island. Last month, a Shahed drone launched from Lebanon struck the British sovereign air base at Akrotiri on Cyprus's southern coast, about 207 kilometers from Beirut. Cypriot officials described the strike as a stark reminder of the island's exposure to regional volatility. In response, Greece,...