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The United States military confirmed that, beginning at 10 a.m. Eastern Time (14:00 GMT) on April 13, all maritime traffic entering or leaving Iranian ports will be blocked. The directive, issued by U.S. Central Command (CENTCOM), targets vessels of every nation operating in the Gulf and the Gulf of Oman, but explicitly excludes ships merely transiting the Strait of Hormuz to non‑Iranian ports, marking a narrower scope than former President Donald Trump’s broader strait‑wide threat. This decisive action follows the abrupt end of marathon peace talks in Islamabad, where negotiators failed to secure a memorandum of understanding with Tehran. The stalemate has revived fears of renewed hostilities, prompting the U.S. to leverage maritime pressure as a bargaining chip. Financial markets reacted sharply: U.S. crude oil prices surged 8 % to $104.24 per barrel, while the benchmark Brent crude rose 7 % to $102.29. The spikes reflect investor anxiety over potential disruptions to the flow of oil and liquefied natural gas that currently passes through the Strait of Hormuz, a chokepoint responsible for roughly one‑fifth of global energy shipments. Since the February 28 launch of a joint U.S.–Israel operation against Iran, the strait’s traffic has dwindled to a trickle. Iran continues to navigate its own vessels and has allowed limited passage for foreign ships, while discussing a post‑conflict toll system for the waterway. In response to the blockade threat, Iran’s Islamic Revolutionary Guard Corps warned that any U.S. warship attempting to enforce the measure would breach the existing U.S.–Iran ceasefire—set to expire on April 22—and would be "dealt with severely." Iranian Foreign Minister Abbas Araghchi blamed the United States for the diplomatic failure, accusing U.S. negotiators of "shifting the goalposts" when a deal was "just inches away." Academic commentary echoed regional concerns. Zohreh Kharazmi, an associate professor at the University of Tehran, asserted that the United States "is not in a position to dictate" Iranian maritime movements and warned that a prolonged standoff would quickly reveal which side—"the resilience of the Islamic Republic or the resilience of global markets"—would suffer first. While the blockade targets Iranian ports, CENTCOM emphasized that it will not impede freedom of navigation for vessels merely passing through the Strait of Hormuz, a subtle but significant concession aimed at avoiding a full‑scale maritime confrontation.

Iran and the United States each declared a triumph after agreeing to a two‑week ceasefire that was announced just before President Donald Trump’s deadline to force Tehran’s surrender. The conflict, which began on 28 February, has already claimed 2,076 lives in U.S.–Israel strikes on Iran and has caused thousands more deaths across the region. The fighting has also shocked global energy markets, stranding oil tankers and pushing prices to unprecedented levels. Trump announced on Truth Social that the United States would halt bombing Iran after receiving a “workable” 10‑point ceasefire proposal, adding that “almost all of the various points of past contention have been agreed to.” Iran, for its part, said it would reopen the Strait of Hormuz to commercial traffic, even as some citizens denounced the government’s perceived capitulation. Both parties are set to resume Pakistan‑mediated talks in Islamabad on Friday, though analysts warn that earlier red lines may resurface. Key terms of the Tuesday agreement: the United States will suspend air strikes for two weeks, citing that it has already achieved its military objectives and is close to a “definitive agreement concerning long‑term peace.” Iran’s foreign minister, Abbas Araghchi, pledged to halt “defensive operations” and to allow safe passage through the Strait of Hormuz, while also indicating willingness to fund reconstruction from fees collected on transiting ships. Domestic reaction in Iran remains volatile. University of Tehran professor Foad Izadi noted that the public’s pessimism stems from two prior escalations—June’s 12‑day war and the February 28 strikes—both of which occurred amid ongoing negotiations. Earlier demands: The United States had presented a 15‑point plan on 25 March, calling for a 30‑day ceasefire, immediate reopening of the Strait, Iran’s de‑commissioning of its nuclear facilities, a total ban on uranium enrichment, handover of nuclear stockpiles to the IAEA, cessation of support to regional proxies, strict limits on ballistic missiles, and a full lift of sanctions, among other items. Iran responded with a 10‑point proposal that emphasized a non‑aggression commitment from the United States, controlled passage through the Strait, acceptance of its enrichment programme, comprehensive sanctions relief, withdrawal of U.S. combat forces, compensation for war damages via shipping fees, and a binding UN Security Council resolution. Both sides have already made concessions. Iran moved from demanding a permanent ceasefire to accepting a two‑week pause, and it shifted from insisting on reparations to proposing reconstruction funding from Strait fees. The United States, meanwhile, has softened its demand for an “unconditional” Iranian surrender and has not reiterated its earlier insistence on dismantling Iran’s missile capabilities. One of the most contentious issues remains the status of Lebanon. While Pakistan’s prime minister said the ceasefire would extend to Lebanon, Israeli Prime Minister Benjamin Netanyahu denied any such inclusion, and Israel launched a major bombing campaign in Beirut shortly thereafter, killing hundreds. Looking ahead, analysts highlight that the United States is unlikely to concede on the complete withdrawal of its roughly 50,000 troops stationed across 19 Middle Eastern sites—a demand Tehran has placed on the table. The outcome of the upcoming talks will hinge on whether Washington can accommodate Tehran’s broader political and economic requests without compromising its strategic objectives.

The conflict between the United States, Israel and Iran is now spilling onto academic grounds. The Islamic Revolutionary Guard Corps (IRGC) publicly warned U.S. universities in nearby nations following weekend attacks on two Iranian campuses.According to Tehran‑based sources, at least 21 Iranian universities have sustained damage since the war erupted. The targeting of educational institutions marks a troubling escalation, raising questions about the strategic value of universities in modern warfare.In a recent podcast episode, Setareh Sadeqi, an assistant professor at the University of Tehran, discusses the motivations behind these strikes and the broader implications for Iran’s higher‑education sector. The program, produced by Al Jazeera’s AJ E Podcasts team, also explores how the “war on Iran” is extending beyond traditional battlefields into classrooms and research labs.Key takeaways include the IRGC’s threat to retaliate against U.S. institutions, the potential impact on international academic collaborations, and the symbolic message that disrupting knowledge hubs can weaken a nation’s resilience.Listeners can follow the discussion on X, Instagram, Facebook, or YouTube via @AJEPodcasts.