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Iran has reclosed the Strait of Hormuz, a critical waterway for global oil supplies, in retaliation to the United States' ongoing blockade of Iranian ports. The Islamic Revolutionary Guard Corps (IRGC) announced on Saturday that control of the strait had 'returned to its previous state,' with Iranian gunboats reportedly firing at a merchant vessel attempting to cross.The strait's closure comes after a brief reopening, during which over a dozen commercial ships passed through. This development has cast doubt on US President Donald Trump's optimism about a potential peace deal to end the US-Israel war on Iran, which Trump claimed was 'very close.'The IRGC statement emphasized that the blockade represented 'acts of piracy and maritime theft,' and warned that the strait would remain under strict control until the US restores full freedom of navigation for Iranian vessels. Oil prices have been impacted, with at least eight oil and gas tankers crossing the strait by 10:30 GMT, while several others turned back.The situation has created uncertainty for maritime shipping, with specialist John-Paul Rodrigue noting that contradictory information from all parties has deterred many vessels from crossing. Al Jazeera's Tohid Asadi reported from Tehran that Iran seeks a comprehensive end to the regional war, including security assurances, sanctions relief, and a resolution to its nuclear dossier.

Oil prices have plummeted to their lowest point in weeks after Iran said the Strait of Hormuz was open for passage during a ceasefire in Lebanon. The international benchmark, Brent crude, fell more than 9 percent to $90.38 a barrel on Friday, taking it below $91 for the first time since March 10.Iranian Foreign Minister Abbas Araghchi said the strait was “completely open” and would remain so for the duration of the 10-day ceasefire between Israel and Lebanon, which took effect on Friday. US President Donald Trump hailed Tehran’s announcement, declaring the waterway “ready for business and full passage.”However, on Saturday, Iran rowed back on its decision to reopen the Strait of Hormuz, warning that it would continue to block transit through the key waterway as long as the US blockade of Iranian ports remained in effect. Trump said the blockade “will remain in full force” until Tehran reaches a deal with the US, including on its nuclear programme.Roughly one-fifth of the world’s oil passes through Hormuz and further limits would squeeze already constrained supply, driving prices higher once again. Amid the escalation, Pakistani officials say they are trying for more talks between the US and Iran ahead of the April 22 ceasefire deadline.Meanwhile, ship tracking data displayed a significant uptick in vessels crossing the strait on Saturday, with an analyst at maritime intelligence firm Windward saying it was the busiest since the Strait of Hormuz was effectively closed at the beginning of the war.

The Iran-US conflict has entered its 50th day, with escalating tensions around the strategic Strait of Hormuz. Iranian officials have rejected claims by US President Donald Trump on the state of negotiations, highlighting deep contradictions in messaging.Despite this, Trump has stated there are no 'sticking points' left for a deal, while insisting the blockade will remain until any agreement is '100 percent complete'. Iran's Foreign Minister Abbas Araghchi said the Strait of Hormuz remains fully open to commercial vessels, subject to conditions.Key developments in the region include:Enriched uranium dispute: Iran's foreign ministry says its enriched uranium stockpile will not be transferred 'anywhere', rejecting claims by Trump that Tehran had agreed to hand it over.Hormuz fees plan: Iran said it will not impose 'traditional' transit fees in the Strait of Hormuz, but is drafting a law to charge ship owners for 'securing the strait'.Lebanon-Israel 'agreements': President Joseph Aoun says Lebanon is nearing a 'new phase' of lasting deals after the ceasefire and is no longer 'an arena for others' wars'.France, UK Hormuz mission: France and Britain will lead a multinational effort to safeguard freedom of navigation in the Strait of Hormuz 'as soon as conditions allow,' British Prime Minister Keir Starmer said.The conflict has also had significant economic impacts, with oil prices falling and stocks soaring after Iran announced the reopening of the Strait of Hormuz. The global economy is closely watching the developments, as the situation remains fragile and unpredictable.

The recent missteps in communication between Iran and the US have led to a collapse in progress towards a peace settlement. Iranian Foreign Minister Abbas Araghchi's premature announcement on social media that the Strait of Hormuz was open to commercial vessels was met with a backlash, causing oil prices to drop $12 per barrel.The Iranian government quickly clarified that the strait was only open to ships authorized by the IRGC Navy and using permitted routes. However, the damage had been done, and Trump's premature claims of a US victory further complicated the situation.The renewed impasse has led to Trump threatening to restart bombing next week after the ceasefire between the two sides expires. Iran has also insisted it is unwilling to restart talks with the US in Islamabad, citing excessive US demands.The situation remains tense, with Iran close to relaunching missile attacks on Israel and warnings being issued by Tehran that it may seize control of the Strait of Hormuz permanently. The dominance of the IRGC in determining Iranian foreign policy and fears of premature concessions to Washington have contributed to the tough approach.

Sixteen Polymarket accounts each earned more than $100,000 by correctly forecasting the U.S. airstrike on Iran on 27 February, while a single user, known as “Magamyman,” pocketed over $550,000 by betting on the removal of Ayatollah Ali Khamenei moments before his death in an Israeli strike.Just before former President Donald Trump announced a temporary cease‑fire on 7 April, traders placed a staggering $950 million wager that oil prices would fall – a bet that proved accurate.These synchronized bets, which also included $855,000 in contracts predicting the 27 February strike and $580 million in oil‑futures positions placed minutes before Trump’s “productive talks” comment on 23 March, have raised alarms about possible insider information being used in online prediction markets.Platforms such as Polymarket and Kalshi now allow contracts on virtually any news event, blurring the line between traditional sports betting and financial speculation. The ease of accessing commodity derivatives, especially oil futures, amplifies the potential for profit – and for regulatory scrutiny.Law professors Joshua Mitts (Columbia) and Andrew Verstein (UCLA) note that while the trades could be “lucky,” the timing and scale suggest “hallmarks of suspicious activity” that merit investigation. The Commodity Futures Trading Commission (CFTC) has reportedly opened inquiries into the March 23 and April 7 oil‑futures trades, though it has not publicly confirmed the probes.Regulators face a dilemma: existing legislation may be inadequate for the technological realities of blockchain‑based prediction markets. CFTC Commissioner Michael Selig, appointed by the Trump administration, warned that “we will find you and you will face the full force of the law,” yet the agency cannot issue new rules until it has a full five‑member commission.State‑level challenges further complicate oversight. Nevada temporarily banned Kalshi for operating without a gambling license, while Arizona filed criminal charges over election‑betting contracts. Kalshi argues that the CFTC holds exclusive jurisdiction over such markets.A recent academic study screened over 200,000 “suspicious wallet‑market pairs” from February 2024 to February 2026, finding that traders in this cohort achieved a near 70% win rate, generating roughly $143 million from well‑timed bets on events ranging from the capture of former Venezuelan leader Nicolás Maduro to celebrity engagements.Congressional leaders have responded with legislation aimed at prohibiting federal employees, including members of Congress and White House staff, from participating in prediction‑market contracts tied to political or policy outcomes. However, experts caution that the legal framework for insider trading in commodity futures remains under‑developed, making enforcement challenging.As prediction markets continue to intersect with geopolitical events, the risk of market distortion grows. “When financial bets are based on classified military information, it undermines both market integrity and public trust,” warned Verstein, highlighting the broader implications for the real economy.

Australia's Prime Minister, Anthony Albanese, has stated that the country is prepared to provide assistance in the Strait of Hormuz, a crucial route for oil shipments, as global oil prices experience a significant drop. On Saturday, oil prices fell by approximately 10% after Iran announced that the strait would be open for commercial vessels during a ceasefire with the United States and Israel.The Prime Minister was attending a meeting of 49 countries to discuss the reopening of the strait when the news broke. Albanese emphasized the importance of freedom of navigation for global trade, stating, “Freedom of navigation is essential for global trade.” He also expressed the desire for a permanent and full reopening of the strait for all countries.Australia's energy minister, Chris Bowen, reported that the country has 46 days’ worth of petrol in reserve, which is 10 more days than before the US and Israeli bombing of Iran that sparked the global fuel crisis. Since April 1, fuel prices at Australian pumps have fallen by about 10c per litre beyond the artificial measures to ease prices.The NRMA spokesperson, Peter Khoury, mentioned that it could take a week for the falls in global oil prices to translate to lower prices at the fuel pumps. He also noted that the national average for unleaded petrol has fallen 50c since April 1, and diesel has fallen 37c in the last week.Additionally, the Australian Competition and Consumer Commission reported that average retail petrol prices had dropped 41.6c per litre since March 31 across major cities. The federal government's measures, including halving the fuel excise on petrol and diesel and pausing GST revenue on fuels, have resulted in a saving of about 32c per litre of fuel.

Donald Trump's presidency has had an unexpected consequence: he has done more to accelerate the energy transition than anyone else alive. Despite fossil fuel companies bankrolling his campaign to hinder the transition, his volatile nature and policies have led to a surge in demand for renewable energy technologies.The recent attack on Iran has caused oil prices to soar, and executives from companies like Chevron have cashed in on record-breaking share sales. However, this has also led to a global surge in demand for electric vehicles (EVs), solar panels, and heat pumps. Inquiries about buying EVs have risen by 23% in the UK, 50% in Germany, and 160% in France.The logic of switching to renewables appears ineluctable. Governments and voters are seeking to reduce their dependency on fossil fuels, and advances in battery technology are making renewable energy more viable. Solid-state batteries and quantum batteries could soon transform the energy storage landscape.Countries that fail to adapt to this new reality will be left behind, facing high bills and insecurity. The UK should invest in grid batteries, heat pumps, and induction hobs, rather than trying to extract the last dregs of fossil fuel from the North Sea. Half-measures offer nothing but delay and wasted costs.The consequences of Trump's actions are far-reaching, and his support for autocrats like Viktor Orbán has contributed to the fall of their regimes. The anti-green campaigning in the UK may have been financed by Russian oil, but greens who were once dismissed as idealistic now look like hard-headed pragmatists and true patriots.

Iran's foreign minister, Abbas Araghchi, has announced that the Strait of Hormuz is now fully open to commercial vessels. This development has sparked hopes for an end to the conflict in the Middle East and led to a significant decrease in oil prices.US President Donald Trump celebrated the reopening, claiming that Iran had agreed never to close the strategic waterway again. However, this claim has not been verified, and Iran's parliamentary speaker warned that the strait could be shut again if the US blockade continues.The Islamic Revolutionary Guard Corps (IRGC) has reinforced its authority in Tehran during the war, and commercial vessels are only allowed to travel through the strait along a determined route and with the permission of the IRGC navy. The US blockade of Iranian ports and shipping remains in place, making it uncertain when normality will return.

US President Donald Trump has made a series of claims about concessions secured from Iran ahead of possible ceasefire talks, including that Tehran has agreed to keep the Strait of Hormuz open and turn over its nuclear stockpile.On Friday, Trump posted on Truth Social that Iran had agreed to open — and “never close” — the Strait of Hormuz, a critical waterway for global oil shipments. He also claimed that Iran would turn over its “nuclear dust” and that Israel would be “prohibited” from launching attacks in Lebanon.Iran has confirmed reopening the Strait of Hormuz for the “duration” of the current pause in fighting, which is set to end early next week. However, officials have pushed back on claims regarding its nuclear stockpile, with a source telling Al Jazeera negotiations remain at a preliminary stage.Despite the outstanding questions, Trump struck a celebratory tone, calling Friday “A GREAT AND BRILLIANT DAY FOR THE WORLD!” He also told Bloomberg News that he expected talks to move forward on Sunday with a permanent ceasefire deal in sight.“We’re not seeing the full picture,” Yezid Sayigh, a senior fellow at the Carnegie Middle East Center, told Al Jazeera, pointing to Trump’s penchant for hyperbole and several unresolved issues. “But this does suggest a positive momentum towards something that may end up being a comprehensive deal.”Sayigh added that Trump could have ulterior motives in striking an upbeat tone, at a time when the chokehold in the Strait of Hormuz is driving up prices for everything from fuel to fertiliser.“It is very interesting that President Trump is putting such a positive spin on things, not only to encourage markets and talk down oil prices and talk stock market prices up,” Sayigh said. “But also, I suspect, because he’s preparing the ground for more revelations about what is being negotiated with Iran.”