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strikeMay 26, 2026

Tensions high as Iran threatens retaliation against US strikes

Summary

Tensions high as Iran threatens retaliation against US strikes Sign up now: Get ST's newsletters delivered to your inbox - US and Iranian forces clashed near the Strait of Hormuz despite ongoing peace talks for a ceasefire extension, highlighting regional tensions. Both sides claimed defensive actions. - Ongoing US-Iran negotiations face major obstacles including unfreezing funds, Strait of Hormuz passage, Iran's uranium stocks, and Lebanon ceasefire terms. - President Trump balances pressure from US hawks for more strikes against public war fatigue and rising global energy prices. Arab states urge diplomacy. AI generated WASHINGTON/DOHA – Tensions were high between Iran and the United States on May 26, as Tehran warned of retaliation following US strikes overnight in southern Iran, threatening already fragile diplomatic efforts. Iran’s Foreign Ministry accused the US of violating its fragile ceasefire agreement with Tehran, suggesting in a statement that the latest attacks also undermined ongoing efforts to resolve the war diplomatically. “Undoubtedly, the Islamic Republic of Iran will not leave any act of mischief unanswered,” the ministry said in a statement, reiterating earlier threats by other Iranian officials to respond to the strikes with force. The renewed hostilities have deepened uncertainty over prospects for a peace agreement, with US President Donald Trump and his administration sending mixed signals about ongoing negotiations. US Secretary of State Marco Rubio said on May 26 that talks were continuing, and that a deal to end the war could still take “a few days”. Iranian leaders, meanwhile, sought to project resilience, with Supreme Leader Mojtaba Khamenei declaring that “the hands of time do not turn backward” and warning that countries in the region would no longer act as shields for American bases. The US military said it conducted self-defence strikes in southern Iran, targeting missile launch sites and boats attempting to lay mines, while the Islamic Revolutionary Guard Corps (IRGC) said it fired at an F-35 fighter jet and several drones after they entered Iranian airspace. The IRGC claimed it shot down an unmanned MQ-9 Reaper drone and forced the other aircraft to flee. Several Iranian personnel were killed in the attacks on vessels near Larak island in the Strait of Hormuz, Iran’s state-run Nour News reported, without providing further details. Israel’s military said it was not part of the US operation. Mr Rubio said Mr Trump would either agree to a good deal or make no deal at all. The President is under pressure from Iran hawks in the US, including Republican Senator Lindsey Graham. They are concerned that the emerging deal, which may see the US unfreeze billions of dollars of Iranian funds and lift a blockade of Iranian ports, concedes too much, and they want more strikes to further weaken Iran’s military. Mr Trump has to balance those pressures with the increasing unpopularity among Americans of the war, which began with a US-Israeli bombardment of Iran in late February. The conflict and Iran’s effective closure of Hormuz have caused energy prices to soar and are pushing up inflation globally. Brent crude rose 3.8 per cent to just below US$100 a barrel on May 26, though it is still down this week on signs that an interim deal is closer. Arab states, including Saudi Arabia, the United Arab Emirates and Qatar, have urged Mr Trump to continue with diplomacy. They fear a return to hostilities would cause Iran to revert to firing drones and missiles on their countries, as it did before the April truce, causing tens of billions of dollars of damage and killing scores of people. On May 25, Mr Trump, in a Truth Social post, urged Saudi Arabia, Qatar and other countries to join the Abraham Accords and recognise Israel. That appears unlikely unless Israel takes steps towards allowing a Palestinian state, which its government has ruled out. Unresolved issues Beyond the frozen funds, other obstacles to a US-Iran pact include whether Tehran will allow ships free passage through the Strait of Hormuz. The US, Arab states and Europe say it must, but Iranian officials say they want to charge fees for navigation services. Mr Trump also wants Iran to commit to handing over or destroying its stocks of highly enriched uranium, which the US fears could be used to build an atomic bomb. Iran has publicly rejected that, though it has also signalled it may send the stocks to a third country, with Russia and China being the most likely candidates. Lebanon, where Israel is fighting Iran-backed Hezbollah militants, is another sticking point. Iran insists on a ceasefire there too, while Israel has said it must be allowed freedom of action. Israel intensified its military campaign against Hezbollah on May 26, striking targets across Lebanon after Israeli Prime Minister Benjamin Netanyahu said he ordered the military to “increase the blows” against the Iran-backed militant group. The Israeli military said it struck more than 100 Hezbollah sites overnight in southern and eastern Lebanon, including weapons storage facilities and command centres. “We are at war with Hezbollah,” Mr Netanyahu said in a video statement late on May 25, adding that he has ordered the military to “press on the pedal even more”. An Iranian delegation headed by Parliament Speaker Mohammad Bagher Ghalibaf travelled to Doha in Qatar for consultations with senior Qatari officials on May 25. Iranian central bank governor Abdolnaser Hemmati was part of the group and was set to discuss the release of frozen Iranian funds, the Fars news agency reported. Even if the sides can reach an interim agreement, which will probably see the ceasefire extended by around two months, they would then need to go into complicated negotiations over Iran’s nuclear programme. The war could still restart if those were to break down. BLOOMBERG

Perspectives

Iranian Official

The Islamic Republic of Iran condemns the latest US strikes on its sovereign southern territory as a clear act of foreign aggression that violates the fragile ceasefire and sabotages diplomatic talks. Tehran has reiterated its right to defend national sovereignty, warning that such provocations will not go unanswered and pledging a resolute response to protect its borders and interests. Despite mixed signals from Washington, Iran remains committed to resistance against external interference in the region.

Israeli

Iran's threats of retaliation after US strikes expose the regime's nuclear ambitions and proxy networks—from Hezbollah in Lebanon to other fronts—as an existential threat to Israel, undermining any ceasefire efforts. Despite diplomatic talks, Tehran's uranium stocks and refusal to curb aggression necessitate Israel's defensive operations to prevent direct attacks and maintain deterrence. These developments affirm the imperative for sustained security measures against Iran's destabilizing influence.

Neutral

On May 26, Iran’s Foreign Ministry stated that US strikes in southern Iran violated a ceasefire agreement and indicated that Iran would respond to the reported actions. The ministry’s statement reiterated earlier comments by Iranian officials regarding potential retaliation. US-Iran negotiations on issues including sanctions relief and regional ceasefires continued, with the US administration issuing statements on the status of talks.

Western

US precision strikes in southern Iran targeted threats to Strait of Hormuz security and broader regional stability, countering Iranian violations of the fragile ceasefire. Tehran’s threats of retaliation and accusations against Washington highlight its destabilizing posture, even as talks address uranium enrichment and maritime access. The Trump administration maintains focus on neutralizing risks while weighing diplomatic options amid energy and alliance pressures.

Pro-Peace

US strikes in southern Iran amid fragile ceasefire talks threaten civilian populations and risk deepening humanitarian crises across the region, as Iran warns of retaliation that could further destabilize energy routes and displace communities. Despite ongoing negotiations on frozen assets, nuclear issues, and ceasefires in Lebanon, mixed US signals and hawkish pressures undermine diplomatic alternatives that Arab states and others urge to avert escalation. Prioritizing these talks remains vital to spare civilians the mounting costs of renewed conflict.

Global South

US strikes on Iranian territory underscore persistent neo-colonial patterns of intervention that erode national sovereignty under the guise of security, provoking predictable retaliation from Tehran while stalling fragile ceasefire talks. Regional actors in the Global South view these clashes near the Strait of Hormuz as symptoms of institutional failure in US-led diplomacy, where energy leverage and unfrozen assets serve as tools to constrain independent policy choices. Arab calls for de-escalation highlight broader resistance to external powers dictating outcomes in the Global South.

Actors involved

USIran

Sources

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    Tensions high as Iran threatens retaliation against US strikes Sign up now: Get ST's newsletters delivered to your inbox - US and Iranian forces clashed near the Strait of Hormuz despite ongoing peace talks for a ceasefire extension, highlighting regional tensions. Both sides cla

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