The letter further emphasised that these attacks have not been limited to a single country, but have directly affected all GCC member states. The targets have included oil production and refining facilities, fuel storage sites, energy export ports, gas and energy infrastructure, as well as international airports, logistics facilities, civilian government buildings, and critical infrastructure. These attacks were carried out using ballistic missiles, cruise missiles, and drones, demonstrating a deliberate and systematic pattern aimed at inflicting significant damage on the vital energy sector of these countries, which is of critical importance to global energy supplies. The attacks have resulted in substantial material damage to key facilities, partial disruption of production and supply operations, negative impacts on transport and essential services, and have posed wide-ranging environmental, economic, and public health risks.

In this context, the letter underscored that these actions demonstrate the systematic and unlawful nature of the attacks, which have extended to purely civilian objects with no connection to military activities, in clear violation of international law, particularly international humanitarian law, as well as the principles of good neighbourliness. It further noted Iran’s continued non-compliance with Security Council Resolution 2817 through the escalation of its threats and hostile actions targeting freedom of navigation in the Strait of Hormuz, including attacks on commercial and cargo vessels, and the targeting of maritime infrastructure and energy facilities in GCC states. These actions constitute a clear violation of international law and internationally recognised navigational rights, endangering civilian lives and seafarers, undermining maritime safety and security, restricting transit through the Strait, and negatively impacting global trade, energy supplies, and the global economy.

The letter highlighted that the continuation of these attacks even after the adoption of Security Council Resolution 2817 on March 11, 2026 represents ongoing, deliberate, and explicit non-compliance with the resolution and a disregard for the will of the international community. It further reflects a persistent approach of escalation and destabilisation in direct defiance of international efforts to maintain international peace and security.

GCC member states reiterated in the letter their strong condemnation and denunciation of these repeated attacks, stressing that the continuation of such aggressive actions constitutes a direct threat to regional and international peace and security, and requires a firm and decisive response from the international community and the Security Council to ensure full respect for and implementation of its resolutions.

The letter concluded by reaffirming the GCC states’ full and inherent right to self-defence under Article 51 of the Charter of the United Nations, in response to these ongoing attacks, in a manner proportionate to the nature of the threat and in accordance with international law, in order to protect their sovereignty, territorial integrity, and the safety of their citizens and residents. It also called on the international community, and the Security Council in particular, to assume its responsibilities and take the necessary measures to ensure Iran’s compliance with Security Council Resolution 2817 and to put an end to these violations that undermine regional security and stability.