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The United Kingdom's decision to ban Israelis from attending the Royal College of Defence Studies (RCDS) over Israel's actions in Gaza has sparked concern within the college about its reputation. The Ministry of Defence (MOD) announced the ban in September after Israel planned a major ground assault on Gaza City.The British government made the decision amid widespread condemnation of Israel's escalation of the war. Previously unreported correspondence shows that the move prompted discussion within the RCDS about potential harm to its reputation as an institution that welcomes students of all backgrounds.RCDS commandant George Norton asked a senior military official, Tom Copinger-Symes, for help in shaping the public narrative while a government minister was preparing to answer a question about the ban in the UK's upper house of parliament. Norton sought to ensure that the public understood the college played no role in the decision.In an email, Norton told Copinger-Symes that it would be important for the government minister to highlight that the college does not invite or select participants in its courses, and that invitations were a government-to-government matter. He emphasized that the college's reputation as a welcoming institution could be harmed by the perception that it was deciding which countries to invite or not.The emails, obtained by Al Jazeera via a Freedom of Information request, reveal the college's efforts to distance itself from the government's decision. The MOD spokesperson stated that decisions about military education and training are made on a case-by-case basis and following robust assessment of benefits and risks.The UK-Israel relationship has been strained due to Israel's actions in Gaza, where over 72,000 Palestinians have been killed since Israel launched its military operation. The RCDS did not respond to a request for comment.

The Iranian military has strongly condemned the US plan to blockade its ports, calling it an act of piracy. The blockade, set to begin on Monday at 14:00 GMT, would restrict all vessels entering or departing Iranian ports. The Iranian army has warned that if its ports are threatened, no port in the Persian Gulf and Arabian Sea would be safe.The US Central Command has stated that the blockade would be enforced impartially against vessels of all nations entering or departing Iranian ports. However, the military would not impede vessels transiting the Strait of Hormuz to and from non-Iranian ports. The Strait of Hormuz is a critical route for global oil and gas shipments.Oil prices surged almost 8 percent on Monday, with both key WTI and Brent contracts topping $100 a barrel. The increase comes amid concerns over the potential impact of the blockade on global energy supplies.The move has been criticized by China, which urged Iran and the US not to reignite the war. Spain's Defence Minister Margarita Robles said the planned naval blockade 'makes no sense', while UK Prime Minister Keir Starmer stated that Britain would not join the US blockade.

British Prime Minister Keir Starmer declared that the United Kingdom will not participate in the United States’ proposed blockade of the Strait of Hormuz, distancing London from President Donald Trump’s latest escalation against Iran.Speaking on BBC Radio, Starmer said, "We are not supporting the blockade," and added that the UK will not be "dragged into the US‑Israel war on Iran."The Strait of Hormuz is a strategic chokepoint through which about 20 % of the world’s oil supplies transit in peacetime. Starmer stressed that reopening the waterway is vital for global energy security and that the UK’s diplomatic efforts over recent weeks have focused on that goal.Meanwhile, the US Central Command announced it would block all maritime traffic entering or leaving Iranian ports from 14:00 GMT, though it provided few details on how the blockade would be enforced. The statement claimed the action would be applied impartially to vessels of all nations, yet it also noted that ships bound for non‑Iranian ports would not be impeded.President Trump, in a lengthy social‑media post, framed the operation as a mission to clear mines and prevent Iran from profiting from control of the strait.In a parallel diplomatic move, French President Emmanuel Macron said France and the United Kingdom will convene a conference in the coming days aimed at restoring freedom of navigation, reaffirming that “no diplomatic effort will be spared” to end the US‑Israel conflict over Iran.Nicole Grajewski, an assistant professor at Sciences Po, warned that the US blockade constitutes “more than a minor coercive signal” and effectively marks a resumption of hostilities.Other allies echoed criticism: Spanish Defence Minister Margarita Robles called the plan “makes no sense,” Turkish Foreign Minister Hakan Fidan urged “negotiations with Iran and the swift reopening of the strait,” and Chinese Foreign Ministry spokesman Guo Jiakun emphasized that the strait’s security is “in the common interest of the international community.”Starmer’s stance reflects a careful balancing act—maintaining NATO solidarity while refusing to endorse direct military pressure on Iran—highlighting the complex geopolitics surrounding one of the world’s most crucial maritime corridors.

The U.S. military announced that, starting at 14:00 GMT on Monday, it will enforce a blockade of every Iranian port, a step taken after President Donald Trump ordered a naval closure of the Strait of Hormuz—the waterway through which roughly one‑fifth of global crude oil normally flows. The blockade comes on the heels of stalled peace negotiations in Islamabad, where talks between Washington and Tehran collapsed without an agreement despite a prior cease‑fire pledge. Trump’s escalation has already driven crude prices above $100 per barrel and unsettled Asian equity markets, with the Nikkei 225 down 0.84%, the Topix slipping 0.42% and South Korea’s Kospi falling 1.83%. Iran’s response is equally forceful. The Islamic Revolutionary Guard Corps warned that any vessel entering the strait would be deemed a breach of the cease‑fire and dealt with “harshly and decisively,” insisting it has “full control” and threatening a “deadly vortex” for any misstep. Navy chief Shahram Irani dismissed Trump’s threat as “ridiculous and funny,” while state television said Iranian forces are closely monitoring U.S. movements. Foreign Minister Abbas Araghchi lamented “maximalism, shifting goalposts, and blockade” that undermined a near‑final Islamabad memorandum, quoting, “Good will begets good will. Enmity begets enmity.” Parliament speaker Mohammad Bagher Ghalibaf pledged resistance and mocked U.S. gasoline prices, posting a map of Washington‑area pump prices and predicting nostalgia for $4‑$5 gas. U.S. Central Command clarified that the blockade will stop all vessels bound for or from Iran, while traffic to non‑Iranian ports will continue unhindered. Trump also warned that any ship that has paid an “illegal toll” to Iran will be intercepted on the high seas, and he publicly criticized Pope Leo XIV for urging an end to the conflict. In Lebanon, Israeli airstrikes have killed at least five people, bringing the country’s overall death toll to 2,055. Hezbollah retaliated with a rocket barrage aimed at northern Israeli towns, citing violations of a cease‑fire. The United Nations Interim Force in Lebanon (UNIFIL) reported that an Israeli tank rammed peace‑keeping vehicles twice in the south. Israel’s Prime Minister Benjamin Netanyahu visited troops on the Lebanese border, claiming that Hezbollah’s invasion threat has been neutralized, though he acknowledged that hostilities continue within the security zone. On the energy front, shipping through the Hormuz corridor has “immediately halted,” according to Lloyd’s List, with several vessels turning back after the blockade announcement, further tightening global oil supplies.

Australia announced that Lieutenant General Susan Coyle will assume the role of chief of the Australian Army in July, marking the first time a woman has held the post in the service’s 125‑year history.Coyle, currently chief of joint capabilities, brings nearly four decades of experience, including senior command roles in Afghanistan and the Middle East, and expertise in cyber‑warfare. She will succeed Lieutenant General Simon Stuart, who took the position in July 2022.Prime Minister Anthony Albanese hailed the appointment as a historic breakthrough, stating, "From July, we will have the first ever female chief of army in the Australian Army’s 125‑year history." Defence Minister Richard Marles called the move a "deeply historic moment" and emphasized its symbolic power: "You cannot be what you cannot see."The appointment arrives as the Australian Defence Force (ADF) intensifies efforts to raise female participation. Women currently constitute about 21 % of the ADF and 18.5 % of senior leadership roles, with a target of 25 % overall participation by 2030.In October, a class‑action lawsuit alleged that the ADF failed to protect thousands of women officers from systematic sexual assault, harassment, and discrimination, underscoring the urgency of cultural reform alongside the leadership change.Alongside Coyle’s promotion, Vice Admiral Mark Hammond, the incumbent chief of the navy, will become the head of the ADF, succeeding Admiral David Johnston. Rear Admiral Matthew Buckley is set to replace Hammond as navy chief.The army is also undergoing a major transformation, investing in long‑range firepower, drones, and other modern combat tools. Coyle’s background in cyber‑warfare is expected to bolster the force’s capability to operate in increasingly digitised battlefields.

President Donald Trump has signaled that the U.S. Navy will enforce a blockade of the Strait of Hormuz, targeting any vessel that has paid a toll to Iran. The announcement sent oil futures soaring past $100 per barrel on Monday, reviving fears of a deeper global energy crisis. U.S. Central Command later clarified that the operation would focus on ships entering or leaving Iranian ports, a narrower scope than the initial threat to shut the entire strait. Nonetheless, experts say the move would still choke a critical chokepoint in world oil supply. "Anything that removes oil from the market pushes prices higher, which in turn lifts gasoline costs," explained Trita Parsi, co‑founder of the Quincy Institute. He warned that if Iran’s allies, notably the Houthis in Yemen, retaliate by closing the Bab al‑Mandeb strait, oil could surge above $150 a barrel. Bab al‑Mandeb serves as an alternative route for Gulf oil to reach the Red Sea and Indian Ocean. Its closure would compound the disruption already caused by the Hormuz threat. Since the start of the U.S.–Israeli conflict on February 28, Iran has limited traffic through Hormuz, allowing only a handful of vetted ships. Windward estimates that about 3,200 vessels were stranded west of the strait as of Saturday. Former chief economist Anas Alhajji of NGP Energy Capital Management expects non‑Iranian carriers to avoid the strait regardless of U.S. assurances, citing rising insurance premiums and the risk of Iranian retaliation. "The Trump blockade of Iranian ports is effectively a blockade of the Hormuz Strait," he told Al Jazeera. The ripple effects extend beyond fuel. Higher oil and gas prices will lift the cost of chemicals, fertilizers and plastics feedstocks, analysts say. Cameron Johnson, senior partner at Tidalwave Solutions, predicts a rapid increase in raw‑material prices if the blockade persists into late April or early May. "The wild card is the timeframe," Johnson noted. "If it’s a short‑term negotiating tactic, the market may absorb it, but a prolonged blockade will spike global commodity prices." Supply‑chain experts warn of broader repercussions. Deborah Elms of the Hinrich Foundation highlighted that rising fabric costs and packaging shortages could strain food production and consumer goods later in the year. Industry observer Chad Norville of Rigzone said the mere threat erodes confidence in the strait’s stability, likely driving up insurance costs and reducing daily trade volumes. In sum, a U.S. blockade of Iranian ports would mark a stark reversal of recent policy, which had briefly eased sanctions to alleviate the energy crunch. The potential escalation underscores how geopolitical moves can quickly translate into higher energy bills and broader economic strain worldwide.

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.

Effective 10:00 a.m. ET (14:00 GMT) today, the United States military will block all maritime traffic entering and exiting Iranian ports through the Strait of Hormuz, a move that marks a significant escalation in regional tensions. The directive, announced by U.S. defense officials, aims to prevent any vessel—commercial or otherwise—from using the narrow waterway that links the Persian Gulf with the Gulf of Oman. By sealing off the strait, Washington seeks to exert pressure on Tehran amid ongoing diplomatic disputes. In response, Iran’s Islamic Revolutionary Guard Corps (IRGC) issued a stark warning: any military vessel that approaches the strait will be deemed a breach of the cease‑fire and will be "dealt with severely". The IRGC’s statement underscores the risk of a rapid military confrontation should either side perceive a violation. Analysts note that the Strait of Hormuz handles roughly 20% of global oil shipments, so a full blockade could disrupt international energy markets and amplify economic uncertainty worldwide. The action also raises questions about the legal basis for such a blockade under international maritime law. Both the United States and Iran have signaled that the situation remains fluid, and further developments are expected as diplomatic channels attempt to defuse the standoff.

Oil prices experienced a significant surge following US President Donald Trump's announcement of a naval blockade on Iran. Brent crude, the international benchmark, rose more than 8 percent to top $103 a barrel on Sunday.The blockade, which was later clarified by US Central Command to only affect vessels traveling to and from Iran, is set to take effect on Monday at 10am Eastern Time (14:00 GMT). This move has heightened uncertainty in global financial markets, with major stock markets in Asia opening lower on Monday.The Strait of Hormuz, a critical conduit for about one-fifth of global oil and natural gas supplies, has been a focal point of tensions between the US and Iran. Despite a fragile truce between the two nations, only 17 vessels crossed the strait on Saturday, down from roughly 130 daily transits before the conflict.The blockade threat has stoked fears of supply disruptions, contributing to the rise in oil prices. This development comes after oil prices had fluctuated significantly in recent weeks, topping $119 last month before falling below $92 a barrel last week.Global markets are closely watching the situation, with US stock futures and Asian markets experiencing declines. Japan's benchmark Nikkei 225 fell 0.9 percent, while South Korea's KOSPI dropped more than 1 percent.