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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.

The US has announced plans to blockade the Strait of Hormuz, a vital waterway through which about 20% of global oil passes. This move comes after ceasefire talks with Iran ended without an agreement over the weekend. The blockade, threatened by President Donald Trump, aims to pressure Iran into reopening the strait, which has been effectively closed since February 28. Trump's announcement on social media stated that the US Navy will begin the process of blockading any and all ships trying to enter or leave the Strait of Hormuz. He accused Iran of 'WORLD EXTORTION' and threatened that any person who attacked US vessels would be 'BLOWN TO HELL!' However, the blockade's scope appears to have been scaled down, with US Central Command (Centcom) stating it would be confined to vessels transiting through Iranian ports, permitting passage of ships headed to ports belonging to America's Gulf allies. The blockade is set to come into effect at 10am ET (2pm GMT). The UK will not be involved in any blockade of the strait, and Australian Prime Minister Anthony Albanese has stated that his country was not asked to participate. Oil prices have surged following Trump's announcement, with US crude increasing 8% to $104.24 a barrel and Brent crude oil rising 7% to $102.29. Experts warn that the blockade could lead to higher oil prices, but much depends on its 'scope and implementation.' The managing director of research at ClearView Energy Partners, Kevin Book, noted that leaner volumes generally mean tighter markets and higher prices. Iranian and/or Houthi reprisals against Gulf producers' alternative routes could drive prices still higher. The blockade could cut off one of the Iranian regime's major sources of funding but might also have a short-term negative effect on global prices. About 100 tankers have transited the strait since the US and Israel started bombing Iran, most carrying Iranian oil products bound for China and India. Iran's Revolutionary Guards have stated that any warships approaching the strait to enforce a blockade would be considered in breach of the current ceasefire and would be dealt with strongly. Trump floated the possibility of a resumption of US strikes inside Iran, citing missile factories as one possible target.

President Donald Trump declared that the U.S. Navy will commence a blockade of the Strait of Hormuz immediately after peace talks between Washington and Tehran in Pakistan ended without an agreement. In a social‑media post, Trump labeled Iran’s actions as “extortion” and warned that American warships would hunt down and interdict any ship that has paid Iran a toll to traverse the waterway, while also beginning mine‑clearing operations. Iran’s Revolutionary Guard responded that civilian vessels may still cross the strait under “specific regulations,” but any military craft attempting entry would be deemed a breach of the cease‑fire and would be “dealt with severely.” Since the February 28 war launched by the United States and Israel, Iran has effectively taken control of the strategic chokepoint, a route that carries about 20% of the world’s oil and liquefied natural gas shipments. Traffic has now dwindled to a trickle, sending shockwaves through the global economy and raising alarm among Gulf Cooperation Council (GCC) states. Al Jazeera correspondents noted that the rhetoric from the White House has amplified “alarm bells” across the GCC, where leaders had hoped the two‑week ceasefire would evolve into a longer‑term peace framework. Oman’s foreign minister, Badr Albusaidi, urged on social media that the ceasefire be extended and that all parties make “painful concessions” to avoid a return to war. Trump’s statements also included a stark threat: any Iranian forces that fire on U.S. or “peaceful” vessels would be “blown to hell.” He claimed the blockade would involve “other countries” and that the United Kingdom, along with “a couple of other nations,” were dispatching minesweeper vessels to assist – a claim the British government has not confirmed. Domestic criticism emerged quickly. Democratic Senator Mark Warner told CNN he “doesn’t see how blockading the strait will compel Iran to open it,” questioning the strategic logic behind the move. Iran denied U.S. allegations that two of its warships had recently passed through the strait for mine‑clearing, warning that any military vessel attempting such a passage would meet a “strong response.” Tehran officials have floated the idea of instituting a post‑conflict toll system for vessels using the waterway, a prospect that could further entrench Iran’s leverage over global energy flows. Analysts warn that heightened tensions in the Hormuz corridor could push oil prices higher, amplifying inflationary pressures worldwide. As the situation unfolds, mediators continue to press both sides to resume diplomatic talks and avoid a broader escalation.

Tehran – Iranian officials warned that the United States must increase pressure for any peace agreement while urging their supporters to keep the streets under control.Parliament speaker Mohammad Bagher Ghalibaf said the US delegation in Islamabad “failed to gain the trust of the Iranian delegation” during the marathon talks.US President Donald Trump announced an immediate naval blockade of the Strait of Hormuz and declared that US forces are “locked and loaded” to finish Iran at the “appropriate moment.”Iran hailed the delegation’s refusal to accept Washington’s core demands – ending nuclear enrichment and relinquishing control of the Strait – as a sign of defiant resolve.Judiciary chief Gholam‑Hossein Mohseni‑Ejei thanked the Islamabad team for “guarding the rights” of government supporters, including paramilitary forces that have been gathering in Tehran’s main squares for more than six weeks.State television aired an IRGC aerospace officer urging flag‑waving crowds not to worry, stating, “If the enemy does not understand, we will make them understand,” which was met with cheers demanding more missile and drone attacks.Iranian officials blamed Trump’s “excessive demands” for the talks’ failure, noting the Ministry of Foreign Affairs did not expect an agreement after a single day of negotiations.Hard‑line parliamentarians expressed satisfaction with the stalemate, viewing Iran as holding the upper hand. Deputy speaker Hamidreza Haji‑Babaei said only a UN Security Council resolution signalling US surrender would lift sanctions on Iran.Lawmaker Amir Hossein Sabeti of the Paydari faction thanked the negotiating team for standing by red lines and called for “resistance in the field against these evildoers.”The sudden announcement of a two‑week cease‑fire left pro‑state voices disappointed; local media reported the Iranian delegation numbered over 85 members, including state‑affiliated journalists and factional analysts.The talks confirmed that a diplomatic breakthrough was not imminent and hinted at further escalation, though not necessarily a return to full‑scale fighting.National security commission head Ebrahim Azizi dismissed Trump’s blockade threats as “excessive talk.”The IRGC warned it would meet any vessel passing the Strait of Hormuz with “full force” and rejected US claims that two warships had already transited the waterway.Russian President Vladimir Putin told Iranian President Masoud Pezeshkian he remains ready to facilitate a Middle‑East peace settlement.Pezeshkian, focused on domestic affairs, reaffirmed support for Supreme Leader Ayatollah Ali Khamenei and announced that schools and universities will continue online via a limited intranet.Iran’s economy continues to suffer from chronic inflation, rising unemployment and a near‑total internet shutdown, deepening public hardship.

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.

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.

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.

Senior Iranian officials, including parliamentary speaker Mohammad Bagher Ghalibaf and Foreign Minister Abbas Araghchi, have arrived in Islamabad, Pakistan, for ceasefire talks with the United States. The US delegation, led by Vice President JD Vance, along with special envoy Steve Witkoff and Jared Kushner, is representing Washington in the negotiations.Ahead of the talks, Vance indicated a potential opening for diplomacy, stating that Washington is ready to “extend an open hand” if Iran negotiates in good faith. However, the situation on the ground remains volatile, with Lebanon’s Health Ministry reporting that at least 357 people were killed in Israeli attacks on Wednesday, with the death toll expected to rise.In IranIran is experiencing a near internet blackout that has passed 1,000 hours, making it one of the longest nationwide internet disruptions on record, according to the monitoring group NetBlocks.Analyst Zohreh Kharazmi noted that Iranians remain sceptical ahead of the negotiations, despite Tehran believing it holds leverage, including over the Strait of Hormuz.War DiplomacyIran’s delegation of top officials arrived in Islamabad for ceasefire talks with the US, as reported by Iranian state television on Friday.Lebanon’s presidency announced that a meeting will be held at the US Department of State on Tuesday to discuss declaring a ceasefire and the start date for negotiations between Lebanon and Israel under US auspices.Iran demands a truce in Lebanon and the release of its blocked assets as Vance warned Tehran not to “play” Washington in their talks.US President Donald Trump stated that Iran has “no cards” in upcoming talks with the US and mentioned that US warships are being reloaded with weaponry to strike Iran if the talks fail to produce a deal.In the USTrump says the Strait of Hormuz will reopen ‘fairly soon’, pledging that Washington will “open up the Gulf” amid ongoing disruption to global energy supplies.Former US ambassador Douglas Silliman noted that Trump is likely to push for a fast outcome in the talks to ease economic pressure, with the reopening of the Strait of Hormuz seen as a critical priority.US consumer prices surged to a two-year high, increasing pressure on the administration as economic concerns grow at home.In IsraelThe US has reportedly asked Israel to halt attacks on Hezbollah in Lebanon to avoid derailing negotiations, with the current US-Iran ceasefire set to expire on April 21.Israel’s military operations and expanding ground offensive in Lebanon continued, even as ceasefire negotiations were scheduled.In Gaza and JerusalemMore than 100,000 people attended the first Friday prayers at the Al-Aqsa Mosque in East Jerusalem since its reopening following the US-Iran truce, the holy site’s Islamic authority reported.An Israeli air strike killed at least six people and injured several others at the Bureij refugee camp in the central Gaza Strip, according to the Gaza Health Ministry.In LebanonHeavy toll from Israeli attacks: Lebanon’s Health Ministry reported that nearly 2,000 people have been killed by Israeli air strikes and ground operations since early March, with thousands more wounded.Lebanon is facing a food security crisis, with prices surging and supply chains disrupted amid Israel’s offensive, according to the United Nations World Food Programme (WFP).

The United Kingdom's Defence Minister, John Healey, announced that British forces had successfully tracked and deterred three Russian submarines in a covert operation within UK waters in the High North maritime region. This area is strategically important due to its proximity to key shipping routes and crucial undersea cables.Healey revealed that the month-long operation, which involved British warships and military aircraft, did not find evidence of Russian vessels damaging undersea infrastructure. However, the decision to publicly disclose the operation was made to 'call out' Russian activity and send a clear message to Russian President Vladimir Putin.“We see you, we see your activity over our cables and pipelines. And you should know that any attempt to damage them will not be tolerated, and will have serious consequences,” Healey stated. The British Defence Ministry identified the submarines as an Akula-class Russian nuclear-powered attack submarine and two specialist submarines from Russia's Main Directorate of Deep Sea Research (GUGI), which defence experts consider one of Moscow's most secret facilities.The Russian embassy in London rejected the British government's claims that its submarines posed a threat to undersea cables. According to Healey, the Russian attack submarine was likely a decoy to distract from the two specialist vessels designed to survey underwater infrastructure during peacetime and sabotage it in conflict. The operation highlights growing concerns about threats to undersea cables, which connect about 99 percent of global internet traffic, with the UK having 60 cables near its waters.