World leaders have responded to President Donald Trump’s announcement that the United States executed a “very successful attack” on three nuclear sites in Iran, including Fordo.

Trump wrote on Truth Social:

“THIS IS A HISTORIC MOMENT FOR THE UNITED STATES OF AMERICA, ISRAEL, AND THE WORLD. IRAN MUST NOW AGREE TO END THIS WAR.”

Below are key global reactions following the U.S. strikes, as reported by CNBC International on Monday (June 23, 2025):

Iran
Foreign Minister Abbas Araghchi stated on X that Iran “reserves all options” in reacting to the strikes. He called the morning’s events “outrageous and bound to have lasting consequences,” urging U.N. members to beware of what he called extremely dangerous, illegal, and criminal behavior. He described the U.S. assault on “Iran’s peaceful nuclear installations” as a serious violation of the U.N. Charter, international law, and the NPT.

Israel
Prime Minister Benjamin Netanyahu praised Trump’s decision, saying it “will change history.” He remarked, “President Trump and I often say: ‘Peace through strength.’ First comes strength, then comes peace. Tonight, Trump and the U.S. acted with great strength.”

China
China’s U.N. Ambassador Fu Cong strongly condemned the U.S. strike on facilities overseen by the IAEA. Expressing concern over escalating instability, he called for an immediate ceasefire, cessation of hostilities, adherence to international law, and restraint to prevent further conflict.

U.N.
Secretary-General António Guterres warned the strikes represented a dangerous escalation in an already unstable region, posing a serious threat to global peace and security. He emphasized that there is no military solution and insisted diplomacy must prevail.

European Union
EU High Representative Kaja Kallas urged all parties to pull back, return to negotiations, and avoid further escalation. She emphasized that Iran must not be allowed to develop nuclear weapons and noted that EU foreign ministers will convene on Monday to discuss developments.

Saudi Arabia
The Saudi Foreign Ministry, Saudi Arabia being a U.S. regional ally that restored ties with Iran in March 2023, said it was monitoring the situation in Iran “with great concern.”

Yemeni Houthis
The Houthi militant group in Yemen, backed by Tehran, condemned U.S. aggression as “blatant” in statements reported by Saba News Agency.

Lebanon
The Lebanese President—closely tied to Hezbollah, which receives Iranian support—warned bombing Iran’s nuclear facilities raises concerns of intensified tensions threatening security and stability across multiple regions and countries. He urged restraint.

United Kingdom
British Prime Minister Keir Starmer said the Middle East remains volatile and regional stability is a priority. He called on Tehran to return to diplomatic negotiations and find a diplomatic resolution.

Russia
Deputy Security Council Chairman and former President Dmitry Medvedev questioned Trump’s candidacy for the Nobel Peace Prize, calling him “a peace-bearing president who started a new war for the U.S.”

Japan
Prime Minister Shigeru Ishiba highlighted the urgency of calming the situation and insisted Iran’s nuclear development must be blocked, without endorsing U.S. military action.

Venezuela
Foreign Minister Yvan Gil denounced the attack on Telegram, calling for an immediate halt to hostilities and condemning the U.S. bombing of Fordow, Natanz, and Isfahan as aggression prompted by Israel.

Cuba
President Miguel Diaz-Canel condemned the strikes on X, decrying them as a dangerous escalation contravening the U.N. Charter and international law, dragging humanity into a crisis with irreversible consequences.

Mexico
Mexico’s Foreign Ministry urged diplomatic dialogue on X, reaffirming its pacifist foreign policy stance and calling for urgent de-escalation to restore peaceful coexistence.

Australia
An Australian government spokesperson called for de-escalation, warning Iran’s ballistic missile and nuclear programs threaten international security, and referenced Trump’s declaration that “now is the time for peace.”

South Korea
South Korea’s National Security Council met as advisor Wi Sung-lac urged relevant ministries to mitigate the impact of recent Middle East developments.

Vatican
Pope Leo XIV urged the international community to prevent war that could open an “irreparable abyss,” emphasizing moral responsibility to halt the tragedy of war and calling for diplomacy over armed conflict.