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The United States and Iran left Islamabad without a peace deal, ending the most senior diplomatic encounter between the two nations since the 1979 Islamic Revolution. Vice President JD Vance, who led the U.S. delegation, told reporters that Tehran "refused to accept our terms" after a marathon 21‑hour session. Vance emphasized that the United States requires a "fundamental commitment" from Iran not to pursue nuclear weapons or the associated delivery systems. "We need an affirmative pledge that they will not seek a nuclear weapon, and they will not seek the tools that would enable them to quickly achieve a nuclear weapon," he said. Iran’s Ministry of Foreign Affairs, represented by spokesperson Esmaeil Baghaei, cautioned that no one expected a single‑session resolution. "Naturally, from the beginning, we should not have expected to reach an agreement in a single session," he told state broadcaster IRIB, adding that Tehran remains "confident that contacts with Pakistan and other regional friends will continue." Pakistan called on both parties to honor the ceasefire and pursue a durable peace. Foreign Minister Ishaq Dar expressed gratitude for the mediation efforts, stating, "We hope the two sides continue with a positive spirit to achieve durable peace and prosperity for the entire region and beyond." The stalled talks occur against the backdrop of a war that began on February 28, when the United States and Israel launched a campaign against Iran. The conflict has since spread across the Middle East, causing over 2,000 fatalities and extensive damage to both military and civilian infrastructure. One of the war’s most destabilizing effects has been a global energy crisis, as Iran tightened control over the Strait of Hormuz—a chokepoint through which roughly 20 % of the world’s oil and gas exports flow. The delegations, led by Vance for the United States and Iranian Parliament Speaker Mohammad Bagher Qalibaf, also discussed how to sustain a ceasefire that is already under strain from deep disagreements and Israel’s ongoing attacks on Hezbollah in Lebanon.

Iran’s attempt to impose tolls on vessels passing through the Strait of Hormuz has been labeled illegal by Arsenio Domínguez, the head of the United Nations’ International Maritime Organization (IMO). In an interview with Al Jazeera, Domínguez stressed that such charges would set a dangerous precedent for global shipping. Tehran has asserted its right to levy fees even after the conflict ends, while U.S. President Donald Trump floated the idea of a joint U.S.-Iran venture to collect the payments. Both proposals clash with established maritime conventions. "Countries do not have the right to introduce tools or payments or charges on these straits," Domínguez said, adding that any toll system would be contrary to international law and could cripple the free flow of trade. The remarks came as marathon cease‑fire negotiations between U.S. and Iranian officials in Pakistan concluded without an agreement. U.S. Vice President JD Vance noted that Tehran rejected Washington’s terms, which included a commitment to forgo nuclear weapons development, prompting the American delegation to depart Islamabad after presenting its "final and best offer." Iran’s state‑run Press TV blamed the stalemate on what it called the United States' "excessive demands," citing the toll issue and the nuclear programme as major points of contention. Despite a two‑week cease‑fire announced earlier in the week, maritime traffic remains severely limited. Only 22 vessels with active AIS signals exited the strait between the truce’s start and Friday, a stark drop from the pre‑conflict average of about 135 daily transits, according to S&P Global. The bottleneck is throttling oil and natural‑gas exports from the Gulf. The U.S. military reported that two warships had navigated the waterway to clear Iranian mines, a move Iran denied. President Trump later insisted the strait would reopen "fairly soon," with or without Tehran’s cooperation. Domínguez emphasized that ending the hostilities is the fundamental solution to restoring safe passage. He warned that any resumption of traffic must be accompanied by thorough de‑mining and safety checks to protect both vessels and crews. He also dismissed calls for new legal frameworks, noting that the 1968 traffic‑separation agreement between Iran and Oman—which splits the strait into north‑ and south‑bound lanes—had functioned effectively before the war and does not require revision. Humanitarian concerns feature prominently in Domínguez’s statements. He highlighted that roughly 20,000 seafarers are stranded in the Gulf due to the blockade, warning that prolonged isolation would not only harm these workers but also have a negative ripple effect on the global economy.

Israeli airstrikes across southern Lebanon have killed at least 18 people, including eight civilians in a village near Sidon and ten victims – among them three emergency workers – in the Nabatieh district, according to Lebanon’s Health Ministry. The ministry’s latest figures show the conflict, which erupted on March 2 after Hezbollah fired rockets in support of Iran, has now claimed 2,020 lives and wounded 6,436 since Lebanon was drawn into the U.S.–Israel war on Iran. In a separate incident, two Israeli paratroopers were wounded by shrapnel during clashes with Hezbollah forces in the south, as reported by Israel’s Channel 13. Amid the escalating violence, President Joseph Aoun announced that Lebanese, Israeli and U.S. officials will convene in Washington next week to discuss a ceasefire and the framework for future negotiations under U.S. auspices. Hezbollah, however, has reiterated its refusal to engage in direct talks with Israel, labeling the proposed negotiations a “blatant violation of the national pact, the constitution and Lebanese law,” according to lawmaker Hassan Fadlallah. Pro‑Hezbollah demonstrators gathered near the government headquarters in central Beirut, waving the group’s yellow flag and the Iranian standard, to protest the planned talks. Hezbollah and its ally, the Amal Movement, later urged supporters to refrain from further demonstrations, citing the need for stability and civil peace. Israeli Prime Minister Benjamin Netanyahu emphasized that any peace settlement must be lasting and called for the disarmament of Hezbollah, underscoring the deep strategic divide. While the United States and Iran announced a tentative ceasefire this week, the agreement’s applicability to Israel’s campaign in Lebanon remains uncertain. Iranian officials claim they secured a U.S. assurance that Israel will reduce attacks on Lebanon, but no confirmation has been received from Israeli authorities regarding a ceasefire or a reduction in hostilities. These diplomatic efforts coincide with historic in‑person ceasefire talks between the U.S. and Iran in Islamabad, Pakistan, highlighting the broader regional stakes of the Lebanon‑Israel conflict.

U.S. Vice President JD Vance, heading the American delegation in the Islamabad talks, announced that the United States has yet to receive a concrete commitment from Tehran on its nuclear program and that Washington has put forward its best and final offer to Iran.Iranian media reports that the historic negotiations in Pakistan’s capital will resume for a second day. Observers note that the Strait of Hormuz remains a critical sticking point, underscoring the broader strategic stakes for regional security and global energy flows.

President Donald Trump declared that the United States will commence a naval blockade of the strategic Strait of Hormuz in response to the breakdown of peace talks between Washington and Tehran held in Islamabad.In addition to the blockade, Trump warned that American forces could target Iran’s water‑treatment plants, power stations and bridges unless Tehran abandons its pursuit of a nuclear weapons capability.The announcement came after a 21‑hour round of direct negotiations between the two sides collapsed on Sunday morning, ending a brief cease‑fire that had been brokered by the United States, Israel and Iran.U.S. Vice‑President JD Vance, who led the American delegation, said Iran refused to renounce the possibility of developing nuclear weapons, while Iranian officials accused Washington of failing to earn their trust.Trump instructed the U.S. Navy to begin “blockading any and all ships trying to enter or leave the Strait of Hormuz” starting Monday at 10 a.m. ET (14:00 GMT). He also accused Iran of “extortion” for charging tolls to tankers and announced a de‑mining operation in the waterway’s central sector, although the exact number of mines remains unclear.The Iranian Revolutionary Guard warned that any warships enforcing the blockade would be deemed a breach of the cease‑fire and would be met with a strong response, insisting the strait remains under Iranian control.Two U.S. destroyers transited the strait on Saturday without incident, a move the Pentagon described as the start of a mine‑clearance mission, even as Iranian media claimed the vessels were threatened as they departed.Financial markets reacted sharply: U.S. crude oil jumped 8% to $104.24 per barrel and Brent crude rose 7% to $102.29, reflecting concerns that the blockade could disrupt the flow of roughly 100 tankers that have been paying up to $2 million each for passage.Vance reiterated that the United States seeks a clear, affirmative commitment from Iran not to pursue a nuclear weapon, describing it as the “core goal of the president.”Iranian parliament speaker Mohammad Bagher Ghalibaf argued that Tehran offered “constructive initiatives,” but U.S. demands were “excessive” and hindered an agreement, according to the semi‑official Tasnim news agency.Pakistani mediators urged both parties to avoid renewed hostilities and pledged to arrange fresh talks, emphasizing the importance of upholding the existing cease‑fire.In a televised interview, Trump warned that if a deal cannot be reached, the United States may resume bombing Iran, specifically targeting its water‑supply infrastructure, desalination plants and power generation facilities.Regional fallout continued: at least 11 people were killed in southern Lebanon amid a series of Israeli strikes, while Pope Francis called for an immediate cease‑fire, expressing solidarity with the Lebanese people.The broader conflict, now six weeks old, has claimed more than 3,000 lives in Iran, over 2,000 in Lebanon, dozens in Israel and several Gulf states, and has inflicted extensive damage on critical infrastructure across the Middle East.

Two planes of Iranian negotiators, many from the Islamic Revolutionary Guard Corps, arrived in Pakistan to confront a 21‑hour deadline for talks that span two decades of nuclear tension and new strategic concerns such as control of the Strait of Hormuz and U.S. compensation for past attacks.The United States responded with a delegation that included Vice‑President JD Vance and roughly 300 officials, signaling a recognition that Iran’s seasoned team—featuring figures like Ali Bagheri Kani and former chief negotiator Abbas Araghchi—was well‑prepared.During the marathon, Vance held multiple conversations with former President Donald Trump and, notably, with Israeli Prime Minister Benjamin Netanyahu. Iranian officials claimed the Netanyahu call hardened the U.S. stance, underscoring the delicate diplomatic balance.Veteran negotiators Robert Malley and Aaron David Miller warned that the time frame was either too long for a mere reiteration of rejected demands or far too short for genuine negotiation, highlighting a strategic misreading of Tehran’s position.Vance concluded the session by presenting what he described as a “best and final offer,” leaving the door open for further dialogue pending Iranian acceptance.Meanwhile, President Donald Trump signaled an intention to impose a blockade of the Strait of Hormuz—a move that could inflate global oil prices and further destabilize the region.Iran’s objectives included drafting a memorandum of understanding to extend a tentative ceasefire and address three core issues: an end to Israel’s offensive in Lebanon, a governance framework for Hormuz shipping, and the disposition of its highly enriched uranium stockpile, whether through UN‑supervised down‑blending or export to a third party.Vance emphasized the need for an affirmative Iranian commitment not to pursue a nuclear weapon or the rapid pathways to one, a demand that intersects with ongoing debates about Iran’s sovereign right to enrich uranium—a capability currently null after recent U.S. strikes.In practice, Iran is already exercising selective control over Hormuz traffic, allowing 2 million barrels of Iraqi oil and 4 million barrels of Saudi oil to pass, a tactic described by an Iranian parliamentarian as a “continuous atomic bomb” that provides strategic depth.Beyond the diplomatic impasse, Iran confronts severe domestic challenges: hyperinflation approaching triple‑digit levels, an internet blackout threatening economic activity, and a political climate marked by assassination threats. These pressures compound the difficulty of achieving a sustainable peace settlement.

The United States’ senior envoy, Vice President JD Vance, said the marathon talks in Islamabad collapsed because Iran would not abandon its nuclear weapons programme, a stance Tehran’s representatives dismissed as a lack of US goodwill. Vance, who departed Islamabad on Sunday after a 21‑hour session with Iranian officials, reiterated that Washington’s red lines required an "affirmative commitment" from Tehran that it would not pursue a nuclear weapon or the means to acquire one quickly. He described the stalemate as "bad news for Iran much more than it is for the United States." Iranian parliament speaker Mohammad Bagher Ghalibaf countered that, despite offering "constructive initiatives," the US failed to win the trust of the Iranian delegation, leaving it to Washington to decide whether it can regain that confidence. Iran’s foreign ministry downplayed expectations, stating that no one anticipated a deal in a single session and emphasizing continued regional contacts, while the semi‑official Tasnim news agency blamed "excessive" US demands for the impasse. The talks took place under a 14‑day ceasefire agreed by the US, Iran and Israel, with Pakistan’s foreign minister Ishaq Dar urging both sides to honour the pause and offering to facilitate renewed dialogue. The conflict, which began on 28 February, has already claimed over 3,000 lives in Iran, more than 2,000 in Lebanon, and dozens across the Gulf region, while inflicting extensive infrastructure damage. Israeli security cabinet minister Ze’ev Elkin warned that Iran is "playing with fire," even as he left the door open for further negotiations. These were the first direct US‑Iran talks in more than a decade and could determine the fate of the fragile ceasefire and the reopening of the Strait of Hormuz—a chokepoint for roughly 20 % of global energy supplies. The war has already sent international oil prices soaring. In addition to Vance, US special envoy Steve Witkoff and former President Trump’s son‑in‑law Jared Kushner met with Ghalibaf and Iranian foreign minister Abbas Araghchi for two hours before a brief recess. The Iranian delegation arrived in black mourning attire for the late Supreme Leader Ayatollah Ali Khamenei and carried shoes and bags belonging to children killed in a school bombing near a military compound—a strike the Pentagon says is under investigation, with some reports suggesting US involvement. Pakistani security forces sealed off Islamabad, a city of over two million, underscoring Pakistan’s newly prominent mediating role after a year of diplomatic isolation. The US military announced it was "setting conditions" to clear mines and allow warships to pass through the Strait of Hormuz, a claim Iran’s state media denied. Prior to the talks, a senior Iranian source told Reuters that the US had agreed to release frozen Iranian assets held in Qatar and other banks, a statement the US later denied. Tehran’s broader demands include control over the strait, payment of war reparations, a region‑wide ceasefire—including in Lebanon—and the collection of transit fees from shipping traffic. President Trump’s minimum objectives remain the free passage of global shipping through the strait and the crippling of Iran’s nuclear enrichment capability to prevent the development of an atomic bomb.

The U.S. Central Command (CENTCOM) reported that the destroyers USS Frank E. Peterson and USS Michael Murphy "transited the Strait of Hormuz and operated in the Arabian Gulf" as part of a mission to clear sea mines allegedly laid by Iran’s Islamic Revolutionary Guard Corps (IRGC).Admiral Brad Cooper hailed the operation as a turning point in the U.S.–Israeli campaign against Iran, saying the navy was establishing a "new passage" to restore safe commercial flow. Iran’s Khatam al‑Anbiya Central Headquarters immediately rejected the claim, stating that any vessel movement in the strait remains under the "Armed Forces of the Islamic Republic of Iran" and that the U.S. report is "strongly denied." The strait, a narrow chokepoint through which roughly 20% of the world’s oil and natural gas transits, has been a flashpoint since the February 28 U.S.–Israel attacks that prompted Iran to restrict passage to pre‑approved ships. The closure spiked global fuel prices and disrupted both commercial and military traffic. Analysts, such as Maria Sultan of the South Asian Strategic Stability Institute, argue that any U.S. navigation would require Tehran’s explicit permission, underscoring the strategic leverage Iran holds over the waterway. Simultaneously, senior delegations from the United States and Iran met in Islamabad for historic face‑to‑face talks—the highest‑level engagement since the 1979 Islamic Revolution. The negotiations, sparked by a preliminary ceasefire announced earlier in the week, focus on contentious issues including Iran’s nuclear program, frozen assets, and the future of Israeli operations in Lebanon. Both parties acknowledge that control of the Strait of Hormuz remains a major point of disagreement. Iran has signaled willingness to temporarily reopen the channel for commercial shipping but insists on maintaining leverage, proposing tolls to compensate for war damages. The United States, however, deems continued Iranian control a "non‑starter." U.S. President Donald Trump used his Truth Social platform to assert that Iran is "losing big" and to downplay the strait’s importance to the United States relative to its allies, claiming the mine‑clearing effort benefits nations such as China, Japan, South Korea, France, and Germany. Al Jazeera’s on‑the‑ground correspondents noted that despite a "deficit of trust," negotiators are working late into the night to bridge gaps, though fundamental disagreements over the strait’s governance persist.

Pakistan dispatched a mixed fleet of fighter and support aircraft to King Abdulaziz Air Base in Saudi Arabia’s Eastern Province on Saturday, marking the first visible military action under the mutual defence agreement signed in September 2025. The Saudi Ministry of Defence confirmed the landing, noting the deployment aligns with the collective defence clause that obliges each signatory to treat an attack on the other as an attack on itself. At the same time, Islamabad is hosting direct US‑Iran negotiations aimed at halting weeks of regional fighting triggered by Iran’s missile and drone strikes on Gulf targets after the US‑Israeli killing of Supreme Leader Ali Khamenei on 28 February. Foreign Minister Ishaq Dar told reporters he personally warned Iranian leaders in early March that Pakistan must honour its obligations to Riyadh. Tehran, seeking assurances that Saudi soil would not be used for attacks against it, received such guarantees, Dar added. Despite these diplomatic overtures, Iranian attacks on Saudi facilities – including key bases and a US embassy building – have persisted. In early March, Pakistan’s army chief, Field Marshal Asim Munir, flew to Riyadh to discuss measures to curb Iranian strikes within the framework of the defence pact. Four days before the jet deployment, Prime Minister Shehbaz Sharif phoned Crown Prince Mohammed bin Salman, pledging that Pakistan would stand “shoulder to shoulder” with Saudi Arabia. The two leaders also agreed to accelerate a $5 billion Saudi investment package earmarked for Pakistan. Saudi Finance Minister Mohammed al‑Jadaan met Sharif, Dar and Munir in Islamabad on Saturday, underscoring the economic dimension of the partnership. Saudi Arabia hosts roughly 2.5 million Pakistani workers, whose remittances are vital to Pakistan’s fragile economy, and has repeatedly provided financial assistance. Security analyst Imtiaz Gul told Al Jazeera the deployment was not intended as a military escalation but as a “messaging tool” to remind Tehran of Pakistan’s treaty obligations. “Three jets won’t make much of a difference militarily,” he said, noting Saudi Arabia’s own sizable air force. Michael Kugelman, senior fellow for South Asia at the Atlantic Council, described the move as “a risky gambit.” He warned that if Iran refuses concessions, Pakistan could be drawn closer to Saudi Arabia, potentially invoking the defence pact in a renewed conflict.