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Islamabad transformed into a security zone on Saturday as the city imposed a lockdown, sealing roads, establishing checkpoints, and deploying over 10,000 security personnel ahead of the anticipated US‑Iran ceasefire talks. The Iranian delegation arrived quietly late on Friday night, traveling through Balochistan before a Pakistani Air Force aircraft switched off its call sign. By the next afternoon, the American team touched down at Nur Khan Air Base, a site India once claimed was damaged during last year’s brief conflict. On the tarmac, three distinctive tail fins—one American, two Iranian—caught the eye, a subtle reminder of the region’s reliance on symbolism. Both delegations were escorted along pre‑cleared routes to the Serena Hotel, which had been emptied and secured days earlier, turning the former luxury venue into a tightly controlled diplomatic arena. This marked the first direct, high‑level engagement between post‑revolution Iran and the United States on foreign soil. Clashing worldviews in the negotiation room Inside, the talks juxtaposed an American “peace through strength” stance with Iran’s “resistance with dignity” perspective. Pakistani Prime Minister Shahbaz Sharif warned the night before that the meeting was a make‑or‑break moment for lasting peace. Iran’s chief negotiator, Mohammad Bagher Ghalibaf, set pre‑conditions: any dialogue required progress on a Lebanon ceasefire—where Israel’s campaign has killed over 2,000 people—and the unfreezing of Iranian assets held abroad, which have crippled Tehran’s economy. Within hours of arrival, bilateral side‑talks began, offering a tentative thaw for Pakistani officials facilitating the process. Although previous rounds in Muscat, Vienna, Geneva and Abu Dhabi suffered from deep mistrust, this was the first occasion that the United States’ vice‑president JD Vance and Iran’s parliamentary speaker Ghalibaf faced each other face‑to‑face. Pakistan’s strategic mediating role Pakistan leveraged its unique position—close ties to Gulf states, a shared border with Iran, proximity to the Strait of Hormuz, and a strategic partnership with China—while not hosting US military bases. This allowed Islamabad to engage all parties without overt alignment. The marathon 21‑hour session Officials described the talks as continuous yet uneven. The first session lasted under two hours, followed by a brief procedural pause during which dinner was served but informal discussions continued. Subsequent rounds involved multiple draft exchanges and rapid redrawing of red lines, with constant communication to Washington—including President Donald Trump—and Tehran. Pakistani leaders, including Prime Minister Sharif, Foreign Minister Ishaq Dar, and Army Chief Asim Munir, worked around the clock, aiming not for a final pact but for a framework to prevent further escalation. Why the talks stalled As the session entered its final phase, the United States signaled an abrupt end. JD Vance summed up the outcome: “We had substantive discussions, but no agreement.” He emphasized the US demand for an affirmative, long‑term commitment from Iran not to pursue nuclear weapons, describing Washington’s proposal as its “final and best offer.” Iran’s ambassador in Islamabad framed the meeting as “not an event, but a process,” claiming it laid groundwork for future dialogue, while state‑affiliated outlets criticized the US stance as overly demanding. A senior Iranian foreign‑ministry spokesperson noted that, for Tehran, diplomacy is a continuation of its broader struggle, and any progress hinges on the other side’s “seriousness and good faith.” Pakistan’s cautious post‑talk posture Finance Minister Dar thanked both sides and pledged continued facilitation, avoiding any claim of victory or admission of failure. Behind the scenes, officials acknowledged pressure from multiple fronts—including Israel, whose prime minister Benjamin Netanyahu is perceived by some sources as a major obstacle to peace. Aftermath in Islamabad The city did not immediately revert to normal; security checkpoints and traffic diversions persisted, and the Serena Hotel remained under tight control. Journalists reported a disciplined environment with limited leaks, suggesting a deliberate effort to contain information. As the delegations departed, the door on diplomatic engagement remained open, albeit without a concrete agreement. The talks, though inconclusive, demonstrated that high‑level US‑Iran dialogue is possible under Pakistan’s mediation, preserving a channel that could prove pivotal in future regional negotiations.

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 National Gallery of Art's latest exhibition, 'Dear America: Artists Explore the American Experience', is a thought-provoking collection of over 100 works by 95 artists. This 'open letter to the nation' offers a multifaceted exploration of the American experience, delving into themes of land, community, and freedom.Upon entering the exhibition, visitors are immediately struck by the unconventional representations of iconic American symbols. The Statue of Liberty, for instance, is reimagined through the lens of South African photographer Zanele Muholi and a geometric screenprint by Roy Lichtenstein.The exhibition's curatorial approach is to create 'provocative conversations across centuries, disciplines and demographics.' E Carmen Ramos, the gallery's chief curatorial and conservation officer, notes that the show was 'years in the making' and showcases an 'embarrassment of riches' from the gallery's permanent collection of over 160,000 works.Structured around three core themes – land, community, and freedom – the exhibition presents a diverse array of works. These include Thomas Moran's idyllic watercolours of the American West juxtaposed with Thomas Hart Johnson's photographs of a landscape ravaged by coal mining and railroads. The exhibition also features poignant pieces such as Carrie Mae Weems's haunting silhouette and Gordon Parks's indelible 'American Gothic.'The show's second section, 'Community,' features Richard Avedon's massive 1976 commission 'The Family,' which comprises 69 stark, uniform portraits of the bicentennial era's political, media, and corporate elite. This is contrasted with John Wilson's tender sketches of his teenage children and their friends.The final act of the exhibition turns its lens to 'Freedom,' showcasing historical portraits of figures such as Frederick Douglass, Sojourner Truth, and George Washington, alongside powerful works by Kara Walker, Martha Rosler, and Faith Ringgold. As visitors exit, they are met with Robert Indiana's boldly coloured screenprint 'Liberty '76,' created for the 1976 bicentennial.Ramos reflects on the exhibition's significance, stating that it 'explores how artists in the United States have explored the American experience across different moments in time.' The exhibition will be on view in the National Gallery's West Building until 20 September.

Tanya Khovanova has long been a leading voice in the world of recreational mathematics, authoring a popular blog and running the Number Gossip site where enthusiasts can inquire about any number.She now debuts her first book, Mathematical Puzzles and Curiosities, co‑written with fellow puzzle‑enthusiasts Ivo David and Yogev Shpilman. Published by World Scientific, the volume offers fresh challenges and inventive twists on classic problems.To give readers a taste, Khovanova selected three puzzles for the Guardian column:1. Battleships – As a naval admiral you must choose between sending a single vessel with a success probability of P % or two vessels each with a P/2 % chance, where the mission succeeds if at least one ship does. Which strategy maximises the odds?2. The Two Oracles – You face two respondents, Randie, who answers randomly, and Rando, who randomly decides to tell the truth or lie before each answer. Is there a method to distinguish them?3. Bad Maths – A student computes 5548 − 5489 as 59, claiming the “548” cancels out. He then experiments with a subtraction of the form XXYZ − XYZW (distinct digits) and observes the result is XW. How many digits in the new expression match those in the original calculation?Solutions to the trio were later posted online (update), but readers were urged to avoid spoilers until the scheduled reveal.Khovanova also reminds fans that she has been curating puzzles for the Guardian every other Monday since 2015 and welcomes new submissions via email.

At 19,000 miles above the lunar surface, the Artemis II astronauts heard the voice of Apollo‑13 commander Jim Lovell greeting them from beyond the grave, a message recorded shortly before his death at 97. Mission control transmitted the tribute on the morning of 6 April, when astronaut Reid Wiseman held a silk square bearing the original Apollo 8 patch—handed to him by Lovell’s son—before the crew’s launch. Launch director Charlie Blackwell‑Thompson secured a unanimous "go" from every console, a moment the author describes as a snapshot of humanity’s capacity to honor the past while reaching for the future. The ceremony stood in stark contrast to the Pentagon’s agenda. Two decades after a 2006 Iraqi kill‑board note reading “Let the bodies hit the floor,” the current defense chief pledged “death and destruction from the sky all day long” against Iran, a stance legal scholars warn could constitute a war crime. That rhetoric accompanies a proposed $1.5 trillion defense budget, including an additional $200 billion earmarked for operations against Iran—figures that dwarf NASA’s entire annual budget of $24.4 billion. Amid this fiscal disparity, crew members reflected on their place in history. Victor Glover, the first Black astronaut to travel deep space, described the view of Earth as an "oasis" in the void, while Christina Koch, the first woman to orbit the Moon, pressed her face to the window and formed a heart with her hands, calling the mission’s spirit "humility." Reid Wiseman watched the planet rotate beneath him, noting the sight of Africa, Europe, and the aurora‑lit north, saying it "paused all four of us in our tracks." Canadian astronaut Jeremy Hansen broke Jim Lovell’s 56‑year distance record and asked mission control to name a lunar feature after his late wife, Carroll. The crew agreed, designating a bright spot on the Moon as "Carroll," a tribute that will endure beyond any single lifetime. When Koch announced the spacecraft’s descent, she radioed, "We are now falling to the moon rather than rising away from Earth," a poetic reversal that underscored the mission’s symbolic return. The article recalls the author’s 2022 reflection on the James Webb Space Telescope, noting how humanity’s finest inventions now aim outward, seeking answers to our origins rather than turning inward toward conflict. Artemis II’s vessel, named Integrity, carried four breathing humans who, in a moment of collective grief, pressed their faces to the glass and imagined the faces of every loved one ever lived, captured in a single frame. Beyond the spacecraft, cultural threads wove through the mission: Hansen’s patch displayed the Seven Sacred Teachings of the Anishinaabe people, and the Chinese myth of Chang’e reminded viewers of the Moon’s timeless allure. As Carl Sagan famously wrote, "We are made of star‑stuff," the Artemis crew embodied that sentiment—not as passive observers, but as active participants in a fragile, hopeful narrative that rises above the relentless tally of bodies on Earth’s battlefields.

The 2018 World Cup in Russia served as a high‑profile platform for Vladimir Putin, showcasing his nation and bolstering his personal legitimacy. The tournament was effectively a diplomatic bow to the Kremlin’s ambitions.Fast‑forward to the summer of 2026, and the buildup to the event has taken on a distinctly American flavour, with the competition becoming a backdrop for Donald Trump’s political narrative.The next edition, slated for 2034 in Saudi Arabia, presents a fresh set of challenges. Despite the kingdom’s controversial human‑rights record, the event offers Crown Prince Mohammed bin Salman an opportunity to polish his and the nation’s image. FIFA’s current reluctance to enforce independent oversight of migrant‑worker conditions raises fears that construction could be as deadly as the 2022 Qatar experience.These developments underscore a pressing need to insulate the World Cup from the whims of powerful leaders. One proposed solution is to fragment the tournament—treating it like a monopoly that has become too dominant.Evidence that this approach is feasible already exists: the 2026 World Cup will be co‑hosted by three nations, and the 2030 edition is set to span six countries across three continents (Spain, Portugal, Morocco, Argentina, Paraguay, Uruguay).Building on that, the author suggests a radical redesign: allocate each group stage to a different global city—Paris, Rio de Janeiro, Tokyo, Sydney, Johannesburg, London, the Basque Country, and so on. Knock‑out rounds could be broken into three‑match clusters and scattered worldwide, with the semi‑finals, final, and third‑place match awarded to the highest‑bidding venue.Carbon‑footprint concerns are addressed by noting that teams already travel long distances to a single host nation; distributing groups based on the median distance to participating teams would not significantly increase emissions.Financially, the cost of staging a traditional, single‑host World Cup has ballooned, limiting the pool of viable bidders to those seeking political or economic leverage. A decentralized format would dilute any single leader’s ability—whether Trump, Putin, or the Saudi crown prince—to manipulate the event for personal gain.Decentralisation would still align with FIFA’s stated objectives: expanding the sport’s reach, creating a truly global spectacle, and bringing football closer to fans worldwide.While FIFA claims a fiduciary duty to maximise revenue for its 211 member associations—justifying steep ticket prices and controversial sponsorships—the proposed model could actually enhance revenue by turning each small cluster of matches into premium, high‑value events.Precedent exists in the form of Euro 2020, which, despite being postponed by the pandemic, successfully unfolded across 11 European cities, delivering record‑breaking goal tallies and strong attendance figures.In sum, the most effective way to protect the World Cup’s cultural significance and prevent its exploitation by authoritarian figures may be to deconstruct and disperse it globally, turning a single‑host behemoth into a series of interconnected, locally hosted celebrations of the sport.

Dr. James Noyes, a prominent advocate for gambling reform, has urged the UK government to pause the implementation of affordability checks for online gamblers. Noyes, who initially proposed the idea of affordability checks in 2020, expressed concerns that the current pilot scheme has raised serious questions that need to be addressed before proceeding.Noyes' call for a pause echoes similar concerns raised by senior figures in the horse racing industry, which fears that the checks could disproportionately affect racing bettors and cost the industry tens of millions of pounds in revenue.The Gambling Commission launched a pilot study on financial risk assessments in September 2024 to assess a two-tier system of checks. However, Noyes and others have raised concerns over the lack of transparency and inconsistent data in the pilot scheme.Noyes emphasized that while affordability checks were initially proposed as a worthy idea, their implementation must be carefully considered to avoid impeding the majority of gamblers from engaging in a lawful activity. He also highlighted the need for a gambling ombudsman to ensure proper treatment of consumer redress and rights.A spokesperson for the Gambling Commission stated that the regulator is working on financial risk assessments with a focus on removing friction for consumers. The Commission has yet to publish a final report on the pilot and has not issued an update on its progress since the spring of 2025.

The ongoing global finance talks between the International Monetary Fund (IMF) and the World Bank Group (WBG) have taken a contentious turn. Governments are being urged not to mention climate change, despite its growing impacts and the pressing need for climate finance.The climate crisis has significant implications for developing countries, which are already paying billions to repair damage from droughts, floods, and storms. The World Bank Group aims to devote 35% of its funding to climate-related activities, but US pressure may hinder these efforts.US Treasury Secretary Scott Bessent has demanded the removal of some climate finance targets from the World Bank's aims, insisting on an 'all-of-the-above approach to energy' that includes financing for gas, oil, and coal. This move has sparked alarm among other countries, including large developed economies.Experts warn that sidelining climate change discussions would be disastrous for the developing world. Mohamed Adow, director of the Power Shift Africa thinktank, described the situation as 'beyond absurd', emphasizing that fossil fuels and the climate emergency are inextricably linked.The World Bank is the biggest single source of climate funding, and many donor countries channel their climate finance largely through the multilateral development banks. At the Cop29 UN climate summit in Azerbaijan in 2024, countries agreed that at least $1.3tn a year should flow to the developing world by 2035 to help countries cut greenhouse gas emissions and cope with the impacts of extreme weather.Lord Stern, a former World Bank chief economist, suggested that much could still be achieved without formally labelling projects as climate-related, emphasizing that investing in low-carbon infrastructure and energy systems is crucial for sustainable development.

Sam Neill, the veteran actor celebrated for his memorable performances on screen, is set to answer readers' questions in an upcoming interview with The Guardian. Neill's iconic roles include his portrayal in Jurassic Park, where he famously removes his sunglasses and gazes at a towering Brachiosaurus, a scene that has become etched in cinematic history.Born in Northern Ireland and raised in New Zealand, Neill's diverse filmography showcases his versatility as an actor. He has appeared in a range of films, from period dramas like My Brilliant Career to thrillers such as Dead Calm, which is set to be released in 4K later this year. His recent projects include Godzilla x Kong: Supernova, alongside Kaitlyn Dever and Matthew Modine.Neill's career has been marked by his ability to take on idiosyncratic, director-led projects, often playing characters with a unique blend of gruffness and warmth. His performances in Sweet Country and Rams have been particularly noted for their depth and nuance.In addition to his film work, Neill has also made headlines for his memoir, Did I Ever Tell You This?, in which he openly discusses his experience with stage-three blood cancer and his journey towards remission. When asked about his mortality, Neill expressed a pragmatic view, stating, “I’m not afraid to die, but it would annoy me”.Readers are invited to post their questions for Sam Neill by 6pm BST, Thursday 16 April, and The Guardian will publish his answers in their reader interview series. This provides a unique opportunity for fans to engage with one of cinema's most beloved actors and gain insight into his life and career.