Iran Tells UN: We Will Respond Decisively To Any US Aggression
Iran has formally petitioned the United Nations, accusing the United States of issuing unlawful threats of force, as President Donald Trump considers potential military action if nuclear negotiations fail.
In an urgent letter sent Thursday to the UN Security Council and the UN Secretary-General, the Islamic Republic condemned what it described as the “persistent threat of the use of force” by Washington. The message was submitted by Iran’s Ambassador to the United Nations, Amir Saeid Iravani, and focused on recent public remarks by President Trump regarding possible strikes on Iran’s nuclear facilities.
Iravani said he wished to draw “urgent attention” to “the continued threats by officials of the United States to resort to the use of force, including the recent public statement by the President of the United States concerning the use of the Diego Garcia base in connection with a potential military attack against the Islamic Republic of Iran.” He argued that such statements “constitute a flagrant violation of the Charter of the United Nations and international law and risk plunging the region into a new cycle of crisis and instability.”
The complaint referenced a February 18, 2026, social media post in which Trump allegedly made an “explicit public threat.” According to the letter, the President wrote, “… Should Iran decide not to make a deal, it may be necessary for the United States to use Diego Garcia, and the Airfield located in Fairford, in order to eradicate a potential attack ….”
Iravani cautioned that the rhetoric, coupled with what he described as the “persistent movement and build-up of military equipment and assets by the United States,” points to a “real risk of military aggression.” He warned that any such move “would be catastrophic for the region and would constitute a grave threat to international peace and security.”
Despite longstanding tensions over its nuclear activities, Iran maintained in the letter that it “remains fully committed to the purposes and principles of the Charter of the United Nations and to diplomatic solutions.” The ambassador said Tehran has taken part in negotiations “with a view to clearly conveying its concerns and demanding the full and verifiable lifting of the unlawful and inhumane unilateral coercive measures (UCMs) imposed against the Iranian nation.”
The communication further stated that Iran is seeking a “mutually acceptable, results-oriented solution fully consistent with the recognized inalienable rights of all States parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT).” Iravani added that “should the United States likewise approach these talks with seriousness and sincerity and demonstrate genuine respect for the principles of the Charter of the United Nations and the peremptory norms of international law, the achievement of a durable and balanced solution would be entirely possible.”
Tehran called on the Security Council to “ensure that the United States immediately ceases its unlawful threats of the use of force” and to prevent steps that might “escalate tensions or lead to a military confrontation.” The letter stressed that “the Security Council and the Secretary-General must act without delay, before it is too late.”
While stating that Iran “neither seeks tension nor war,” the ambassador concluded with a warning that the country would respond if attacked.
“However, in the event that it is subjected to military aggression, Iran will respond decisively and proportionately in the exercise of its inherent right of self-defence under Article 51 of the Charter of the United Nations. In such circumstances, all bases, facilities, and assets of the hostile force in the region would constitute legitimate targets in the context of Iran’s defensive response. The United States would bear full and direct responsibility for any unpredictable and uncontrolled consequences,” he wrote.
The diplomatic exchange comes as Washington and Tehran continue talks over Iran’s nuclear program, even as Trump keeps military options on the table should negotiations collapse.
The Wall Street Journal reported Thursday that the President is considering a limited initial strike aimed at pressuring Iran to agree to his terms for a nuclear deal. Such an operation, according to the report, would be intended to compel compliance without escalating into a full-scale assault that could trigger major retaliation.
Earlier in the day, Trump cautioned that Iran must finalize an agreement over its nuclear program or “bad things” would follow. He said discussions were progressing positively but insisted Tehran must agree to a “meaningful” deal.
“Now, we may have to take it a step further – or we may not. Maybe we’re going to make a deal. You’re going to be finding out over the next, probably 10 days,” Trump added.
CBS News reported Wednesday that senior national security officials have informed Trump that U.S. forces are ready to carry out potential strikes against Iran as soon as Saturday. However, individuals familiar with the discussions told CBS that any action is more likely to occur after the weekend rather than immediately.
Meanwhile, a U.S. administration source quoted by The Telegraph said there is now a 90 percent likelihood of war in the coming weeks. An Israeli former intelligence chief cited in the same report said he believes a strike could take place within days.
