U.S. President Donald Trump on Thursday threatened to destroy Iran’s bridges and power plants, saying the “New Regime leadership knows what has to be done, and has to be done, FAST!” in a Truth Social post.

Trump did not elaborate on what needed to be “done,” but said the U.S. “hasn’t even started destroying what’s left in Iran.”

Hours later, Iran’s semi-official Tasnim news agency reportedly claimed that a U.S. F-35 fighter jet was shot down over central Iran. Images of the jet were posted on Telegram, with one photo that appeared to show the words “U.S. Air Forces in Europe” on what appeared to be the tail section of a plane.

The U.S. Central Command, which oversees the region, and Iranian authorities did not respond to a request for comment at the time of publication.

Trump’s latest threat came a day after a nationwide address in which he said the U.S. military would hit Iran “extremely hard” for the next two or three weeks. He added that the U.S. would “bring them back to the Stone Ages where they belong.”

Hours after his speech, Iranian Foreign Minister Abbas Araghchi struck a defiant tone on X, saying that “there was no oil or gas being pumped in the Middle East back then,” referring to Trump’s stone age remarks.

“Are POTUS and Americans who put him in office sure that they want to turn back the clock?” Araghchi said.

Iran has effectively shut tanker traffic through the Strait of Hormuz, a vital global oil route, after the U.S. and Israel attacked the country on Feb. 28.

Trump has repeatedly threatened to send Iran back to the “stone age” as the war entered its second month and the U.S. military build-up in the Middle East showed no signs of slowing.

Despite reports of overtures from the U.S., including ceasefires and a 15-point peace plan to end the war, Iran has publicly contradicted multiple reports about negotiations with the Trump administration on numerous occasions.

Tehran had described the 15-point proposal as “extremely maximalist and unreasonable,” according to an Al Jazeera report on March 25, citing a high-ranking diplomatic source.

Trump said Wednesday that Iran’s “New Regime President” had asked Washington for a ceasefire, a claim that Tehran has denied. Trump has not specified who the “President” is.

“We will consider when Hormuz Strait is open, free, and clear. Until then, we are blasting Iran into oblivion or, as they say, back to the Stone Ages!!!,” he wrote.

Attacks on power plants could constitute a war crime and violate international law, legal experts said.

In a letter dated Thursday and signed by over 100 law experts, the group said international law prohibits attacks on “objects indispensable to the survival of civilians, and the attacks threatened by Trump, if implemented, could entail war crimes.”

Trump had also earlier said that he could target water desalination plants in Iran.

The Gulf Cooperation Council on Thursday called on the United Nations Security Council to take “all necessary measures to ensure the immediate cessation of Iranian aggressions against the Council states.”

The six countries in the Gulf Cooperation Council — Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates — have come under attack from Iranian missiles and drones as the war entered its second month.

The Kuwait Petroleum Corporation said that its Mina al-Ahmadi refinery was hit by drones early on Friday.

Jassim Albudaiwi, Secretary-General of the Gulf Cooperation Council, said that while the bloc does not seek war, Iran had “exceeded all red lines” and described Tehran’s attacks as “treacherous.”

Bahrain, the current rotating president of the Security Council, has led an effort to pass a U.N. resolution to ​authorize “all necessary means” to protect commercial shipping in and around the Strait of Hormuz.

But the proposal reportedly stalled after veto-wielding Security Council members China, Russia and France objected to the draft resolution, which would have authorized military action against Iran.

“The hard part is done,” President Donald Trump said in his address to the nation Wednesday night about the Iran war. The recent jump in gas prices is “short term increase” that should “will rapidly come back down” once the vital Strait of Hormuz is reopened, he said.

But there is reason to worry that the conflict and its economic consequences for Americans may get worse before they get better. If so, Trump will struggle to shake off the damaging political legacy of the war.

In that he would join a long line of U.S. presidents going back to the 1970s who have seen their tenures defined by energy crisis and inflation — the economic scourge Trump has called a “nation-buster.” 

“The oil shock of the ’70s was planted in the maybe subterranean part of our brains,” said Jay Hakes, a presidential historian who led the U.S. Energy Information Administration in the 1990s during the Clinton administration. 

“It was there for a long time because it was just such a jolt. And I think this will be that kind of jolt,” Hakes said.

Gas prices on Tuesday rose above $4 a gallon on average for the first time since the war began. Gas has followed Brent crude prices that have risen 27% since the war began to just over $100 a barrel Wednesday. Oil tankers and other commercial shippers that would normally travel through the narrow Strait of Hormuz off Iran’s southern coast have been idled due to Iran’s threats and attacks. The waterway normally carries 20% of the world’s oil. 

But $4 a gallon gas, painful as it is, may only be the tip of the iceberg. That is clearer in the rest of the world than the U.S., for now. The U.K. is set to receive its last shipment of jet fuel for the foreseeable future this week. Prices of jet fuel worldwide are up 96%, according to Platts data published by the International Air Transport Association. Futures contracts for liquid natural gas in Japan and South Korea are up 43%, according to FactSet data. 

Asia and to a lesser extent Europe are more immediately exposed to disruptions in supply from the Strait of Hormuz. Unlike the U.S. — as Trump has repeatedly pointed out — they buy directly from the Middle East. But all of these commodities are connected through global markets. Disruptions in one part of the world will quickly spread to others. Analysts fear the price of oil could jump above the record near $150 a barrel set in July 2008 during the Great Recession.

So far, the world has benefited from energy supplies that were already in transit when the war began just over a month ago, aided by emergency releases from strategic petroleum reserves. But the world is burning through those supplies. 

“With even the modest estimates we have now, the loss of oil in April will be twice the loss of oil in March,” International Energy Agency Executive Director Fatih Birol said on a podcast released Wednesday.

Governments around the world are trying to encourage energy conservation in the face the crisis. A tracker from the IEA shows 26 governments have taken steps such as Pakistan lowering the speed limit.

Trump has taken steps to encourage the market to improve supply but has stopped short of calling on Americans to try to conserve energy. Doing so might call back uncomfortable comparisons to President Jimmy Carter’s attempts after the 1979 crisis, which began with the Iranian Revolution. Ronald Reagan turned Carter’s calls for consumers to limit themselves into a potent political weapon, winning him the presidency the next year. 

And Trump has spent part of his terms in the White House calling for limits on construction of and subsidies for renewable energy production.

The politics of energy have taken a toll on the nation. “We’ve lost our ability to ask the American public to sacrifice,” Hakes said. 

Before Carter, presidents — including Republicans — called on a need for shared sacrifice. President Richard Nixon proposed a national speed limit of 55 miles per hour following the Arab Oil Embargo of 1973. It was passed into law the next year, but even before that Nixon urged people to slow down, “and they did,” Hakes said. 

“We still had a little bit of the World War II mentality,” Hakes said. 

The energy crises of the 1970s put the nail in the coffin of that mentality. Nixon and Carter struggled to lower prices, and inflation surged. Carter put Paul Volcker in place as Federal Reserve chair to tackle inflation — which he eventually did, but only by raising interest rates high enough to prompt a recession, followed by record-high mortgage rates. Carter, of course, wasn’t re-elected.

Americans’ sense of what government can and should do was permanently changed.

“The failure of the nation’s politicians to address the energy crisis contributed to the erosion of faith that Americans had in their government to solve the problems,” Princeton University historian Meg Jacobs wrote in “Panic at the Pump: The Energy Crisis and the Transformation of American Politics in the 1970s.”

“If the Vietnam war and Watergate scandal taught Americans that their presidents lied, the energy crisis showed them that their government didn’t work,” Jacobs wrote.

Today, Trump’s premise as president is that government only works when he is in charge. “Nobody knows the system better than me, which is why I alone can fix it,” he said at the 2016 Republican National Convention. He has centralized control of the executive branch in the Oval Office, drawing power from cabinet secretaries and agencies that previously operated autonomously. 

The worst-case worries may not come to pass. The U.S. could quickly force Iran to capitulate, and the global economy could heal fast, as it did after the shock of the Russian invasion of Ukraine. But if not, Trump’s decision to go to war in Iran may only deepen many Americans’ alienation from their government. And as the sole decider atop the federal bureaucracy, Trump will have a difficult time convincing the public that anyone but him bears responsibility. 

Wartime propaganda has evolved for the social media age, and Iran is now vying with the U.S. to be the world’s biggest keyboard warrior.

As the real-world bombardment in the Middle East continues and casualties mount, both sides in the month-old war are also firing off ironic, pop-culture-steeped memes on the online battlefield. Iran’s new leaders have quickly assumed an online fighting posture, amping up their memes and pointed attacks on the U.S. and Israel.

“What we’re seeing is not just a war of weapons, but it’s also a war of aesthetics,” said Nancy Snow, a professor and author who studies propaganda. “Whoever controls the meme controls the mood.”

Iran’s prime target is President Donald Trump, with state media and top officials alike relentlessly mocking and amplifying criticisms of the U.S. leader.

Top members of Iran’s parliament, its Revolutionary Guard and even its president, Masoud Pezeshkian, have sought to insult or undermine Trump in their messaging. And they’re using the world’s most popular social media platforms, such as Facebook and X, to get the word out.

Among the most striking examples: a series of seemingly AI-generated videos depicting Iranian military successes against the U.S. and Israel in a Legoesque cartoon art style.

One shows a panicked Trump ordering an airstrike after reviewing the “Epstein File” alongside Satan and Israeli Prime Minister Benjamin Netanyahu. Another, a rap diss track, calls Trump a “loser” and accuses him of being Netanyahu’s “puppet” over images of stock market sell-offs, missile strikes and coffins.

Those and other messages out of Iran regularly reference Jeffrey Epstein, the late notorious sex offender and former Trump friend at the center of conspiracy theories that the president launched the Iran war to distract the public from headlines about releases of files related to the Epstein investigation.

The plain intent of Iran’s messaging is not just to project defiance and counter U.S. assessments of Tehran’s military weakness, but also to undermine Trump by homing in on some of his biggest political vulnerabilities.

“Iran is blending grievance with meme culture — mixing Epstein, anti-war sentiment and pop visuals to penetrate fragmented Western audiences,” Snow said.

As for why they’re using Legos to convey their message, it may be because of their universal appeal, said Dan Butler, a political science professor at Washington University in St. Louis who uses the toys in his teaching.

“The same reason it works in education is the reason actors would use it for propaganda: people like Legos and will tune in to watch Lego-based films,” Butler told CNBC in an email.

“In fact if something is violent, using Legos might make people lower their defenses and also be more likely to share the material,” he said.

The Trump administration, meanwhile, has melded wartime messaging with internet culture even more literally.

In the early days of the war, official accounts shared videos splicing clips from sports, movies and video games into real footage of military strikes.

The visuals dovetail with the relentlessly bombastic and boastful rhetoric from Trump and Defense Secretary Pete Hegseth, who have repeatedly trumpeted the “obliteration” of Iran’s military while assuring that the U.S. is rapidly nearing its objectives for victory.

But the White House officials involved in creating the videos say they have proven effective in drawing attention and connecting with young people. One of them told Politico the efforts are meant to tout U.S. troops’ heroic work “in a way that captivates an audience.”

The White House told CNBC it intends to stick with its messaging strategy.

“The legacy media wants us to apologize for highlighting the United States Military’s incredible success, but the White House will continue showcasing the many examples of Iran’s ballistic missiles, production facilities, and dreams of owning a nuclear weapon being destroyed in real time,” spokeswoman Anna Kelly said.

On the latter metric, the strategy has been a success: Four videos posted on the official White House X account on March 5 and 6 have garnered nearly 100 million impressions as of April 1.

Iran’s goal isn’t to convince or corral its own people — who are reportedly facing extended internet outages — but rather to craft a “response offensive” to undermine the U.S. globally, Stahl said.

“There’s a lot of erosion with regard to potential [U.S.] ally support for this war, and these messages from Iran are playing right into that.”

It’s not all memes and trolling. Iranian officials are also homing in on the war’s destabilizing impact on the global economy and energy prices.

On Monday morning, Trump wrote on Truth Social that the U.S. is “in serious discussions with A NEW, AND MORE REASONABLE, REGIME to end our Military Operations in Iran.”

The S&P 500 ended the trading day lower while oil prices continued to rise.

Ghalibaf on Tuesday shared a CNN article on Americans struggling with the war-induced spike in U.S. gas prices.

“Sad, but this is what happens when your leaders put others ahead of hard-working and ordinary Americans. It’s not America First anymore … it’s Israel First,” he wrote.

European defense tech startups are ramping up commercial discussions with Middle East governments since the Iran war, company execs told CNBC. Another CEO said interest from Gulf states was “skyrocketing” as they race to bolster measures to counter drone and missile attacks.

Iran has targeted its neighbors since a joint U.S.-Israeli military operation began at the end of February, with more than 3,000 drones and missiles having been fired on the United Arab Emirates, Saudi Arabia, Bahrain and Kuwait, according to data compiled by think tank the Center for Strategic and International Studies.

European startups that develop defense technology, in particular drone and missile interceptors, told CNBC they were increasingly talking with and receiving approaches from Gulf states to supply their militaries. Others are ramping up hiring in the region as they look to meet the demand for their systems.

Earlier this month, the Financial Times reported that the company was in talks to raise new funding at more than a $1 billion valuation.

UK-based startup Valarian, which builds digital infrastructure for sensitive use cases including those in defense, didn’t have defense contracts with Gulf states before the Iran war but has seen commercial discussions with them increase since the conflict began, CEO Max Buchan told CNBC.

Uforce has seen interest from Gulf states in its defense tech “skyrocket” since the beginning of the Iran war, CEO Oleg Rogynskyy told CNBC. Uforce is developing several defense technologies, including counter-uncrewed aerial systems (UAS), maritime and strike drones and battlefield software.

“We’re having a ton of inbound interest,” he said. “Gulf states are coming to us to figure out how to do large-scale, unmanned operations.” That included intercept, de-mining, strike, future convoy and escort and patrol operations at sea, Rogynskyy added.

Uforce has been providing defence tech for Ukrainian operations in the Black Sea, he told CNBC, adding that the lessons from that war “are directly applicable to what is happening in Iran, both from an operational, tactical and strategic perspective.”

“We are looking at the very similar mine and missile-based sea denial from the Iran side, to how Russia prevented Ukrainian grain from being exported, initially.”

Uforce, which raised $50 million at a valuation above $1 billion earlier this month, is now looking to hire a team permanently based in the Middle East, because of the demand caused by the Iran war. The company currently has a Ukrainian delegation in the region, but aims to recruit five to 10 employees in the next few weeks, Rogynskyy told CNBC.

Frankenburg is also looking to build out a Middle East-based team. The startup didn’t have any employees in the region before the war, but is now looking to hire there “significantly,” CEO Salm told CNBC. While the Middle East has been a focus of Frankenburg since the company’s inception in 2024, hiring plans have been accelerated because of the Iran war, he said.

Defense tech startups in Europe have raised record sums in recent years as global geopolitical tensions have risen. The sector picked up $1.8 billion in 2025, according to deal-counting platform Dealroom, nearly three times the previous highest yearly figure, and has already raised $854 million so far in 2026.

The U.K. and Germany have emerged as key hubs of this wave of new defense companies, with France and Ukraine also developing increasingly well-funded startups.

The U.S. Army is investigating the apparent flyby of that military branch’s Apache helicopters over the weekend at the Nashville, Tennessee, home of singer Kid Rock, a prominent supporter of President Donald Trump, an Army spokesman said Monday.

On Saturday, Kid Rock posted videos on his X account showing two helicopters hovering and flying close to his home, as he pointed at them, pumped his fist in appreciation and saluted while standing next to a pool, a miniature Statue of Liberty and a sign above his head that said, “Southern White House.”

“This is a level of respect that s— for brains Governor of California will never know,” the singer wrote in one post, referring to Gov. Gavin Newsom, a staunch Democratic critic of Trump. “God Bless America and all those who have made the ultimate sacrifice to defend her.”

“The Army is aware of a video circulating online that appears to show AH 64 Apache helicopters operating in the vicinity of a private residence in the Nashville area,” Army Spokesman Maj. Montrell Russell said in an emailed statement to CNBC.

“Army aviators must adhere to strict safety standards, professionalism, and established flight regulations. An administrative review is underway to assess the mission and verify compliance with regulations and airspace requirements,” Russell said.

The spokesman added, “Appropriate action will be taken if any violations are found. Until the review is complete, there will be no further comment.”

The X posts by Kid Rock were made on the same day as anti-Trump “No Kings” demonstrations were held around the United States.

Newsom’s X account in February mocked Kid Rock for a video showing him and Health and Human Services Secretary Robert Kennedy Jr. working out together shirtless.

A federal judge in San Francisco granted Anthropic’s request for a preliminary injunction in its lawsuit against the Trump administration. 

Judge Rita Lin issued the ruling on Thursday, two days after lawyers for the artificial intelligence startup and the U.S. government appeared in court for a hearing. Anthropic sued the administration to try to reverse its blacklisting by the Pentagon and President Donald Trump’s directive banning federal agencies from using its Claude models.

Anthropic sought the injunction to pause those actions and prevent further monetary and reputational harm as the case unfolds. The order bars the Trump administration from implementing, applying or enforcing the president’s directive, and hampers the Pentagon’s efforts to designate Anthropic as a threat to U.S. national security. 

“Punishing Anthropic for bringing public scrutiny to the government’s contracting position is classic illegal First Amendment retaliation,” Lin wrote in the order. A final verdict in the case could still be months away. 

During Tuesday’s hearing, Lin pressed the government’s lawyers about why Anthropic was blacklisted. Her language in Thursday’s order was even sharper.

“Nothing in the governing statute supports the Orwellian notion that an American company may be branded a potential adversary and saboteur of the U.S. for expressing disagreement with the government,” she wrote.

Following the ruling, Anthropic said it’s “grateful to the court for moving swiftly.”

“While this case was necessary to protect Anthropic, our customers, and our partners, our focus remains on working productively with the government to ensure all Americans benefit from safe, reliable AI,” the company said in a statement.  

Anthropic’s suit earlier this month followed a dramatic couple weeks in Washington D.C., between the Department of Defense and one of the most valuable private companies in the world.

In a post on X in late February, Defense Secretary Pete Hegseth declared Anthropic a so-called supply chain risk, meaning that use of the company’s technology purportedly threatens U.S. national security. In early March, the DOD officially notified Anthropic about the designation via a letter.

Anthropic is the first American company to publicly be named a supply chain risk, as the designation has historically been reserved for foreign adversaries. The label requires Defense contractors, including Amazon, Microsoft, and Palantir, to certify that they do not use Claude in their work with the military. 

The Trump administration relied on two distinct designations – 10 U.S.C. § 3252 and 41 U.S.C. § 4713 – to justify the action, and they have to be challenged in two separate courts. Because of that, Anthropic has filed another lawsuit for a formal review of the Defense Department’s determination in the U.S. Court of Appeals in Washington. 

Shortly before Hegseth declared Anthropic a supply chain risk, President Donald Trump wrote a Truth Social post ordering federal agencies to “immediately cease” all use of Anthropic’s technology. He said there would be a six-month phase-out period for agencies like the DOD.

“WE will decide the fate of our Country — NOT some out-of-control, Radical Left AI company run by people who have no idea what the real World is all about,” Trump wrote.

The Trump administration’s actions surprised many officials in Washington who had come to admire and rely on Anthropic’s technology. The company was the first to deploy its models across the DOD’s classified networks, and it was championed for its ability to integrate with existing Defense contractors like Palantir. 

Anthropic signed a $200 million contract with the Pentagon in July, but as the company began negotiating Claude’s deployment on the DOD’s GenAI.mil AI platform in September, talks stalled.

The DOD wanted Anthropic to grant the Pentagon unfettered access to its models across all lawful purposes, while Anthropic wanted assurance that its technology would not be used for fully autonomous weapons or domestic mass surveillance. 

The two failed to reach an agreement, and now, the dispute will be settled in court. 

“Everyone, including Anthropic, agrees that the Department of [Defense] is free to stop using Claude and look for a more permissive AI vendor,” Lin said during the hearing Tuesday. “I don’t see that as being what this case is about. I see the question in this case as being a very different one, which is whether the government violated the law.

WATCH: Anthropic vs. Pentagon hearing

President Donald Trump said in a Truth Social post Monday that, following talks with Iranian authorities, he ordered the U.S. military to postpone strikes on Iran’s power plants and energy infrastructure for five days.

He told CNBC’s Joe Kernen in a phone call shortly after the post that “we are very intent on making a deal with Iran.”

However, Iranian state media, citing an unnamed “senior security official” in a post on Telegram disputed Trump’s description of conversations, saying direct or indirect talks have not taken place between Washington and Tehran.

“There is been no negotiation and there is no negotiation, and with this kind of psychological warfare, neither the Strait of Hormuz will return to its pre-war conditions nor will there be peace in the energy markets,” state media reported the official as saying.

Trump countered later Monday morning that the U.S. and Iran “have had very, very strong talks” yielding “major points of agreement,” including that Tehran will “never have a nuclear weapon.”

Trump, speaking to reporters in Palm Beach, Florida, said his son-in-law Jared Kushner and U.S. special envoy Steve Witkoff participated in those talks Sunday evening with “a top person” in Iran.

“They want, very much to make a deal. We’d like to make a deal too,” he said. “We’re going to get together today by, probably, phone, because it’s … very hard for them to get out, I guess. But we’ll, at some point, very, very soon, meet.”

Trump said that if the five-day halt in strikes goes well, the parties could end up “settling this.”

“Otherwise, we’ll just keep bombing our little hearts out,” he said.

The president also said that he believes Israel will be “very happy” with the progress made with Iran so far.

He added that the Strait of Hormuz “will be opened very soon, if this works.”

Asked who would control the strait, Trump said it might be “jointly controlled” by himself and “whoever the ayatollah is,” suggesting that such a move would come as part of a “very serious form of regime change.”

In his Truth Social post earlier Monday, Trump said that the U.S. and Iran had “VERY GOOD AND PRODUCTIVE CONVERSATIONS REGARDING A COMPLETE AND TOTAL RESOLUTION OF OUR HOSTILITIES IN THE MIDDLE EAST.”

The U.S. president said these talks would continue through the week. It was not immediately clear who participated in the talks or when and where they were held.

U.S. stock futures rallied, the dollar fell against other major currencies, and oil prices tumbled on the news.

Speaking with Kernen, Trump said discussions with Iranian authorities had been very intense and that he remains hopeful something very substantive can be achieved.

The U.S. president also insisted on the same call that what is unfolding in Iran can be described as regime change, Kernen reported.

The White House did not immediately respond to CNBC’s request for additional information about the purported talks, and did not immediately respond to Iran’s claim that no such negotiations are underway.

The U.S. president on Saturday issued a 48-hour ultimatum to Tehran to reopen the Strait of Hormuz or face strikes on Iran’s power plants.

The narrow waterway is a key maritime corridor that connects the Persian Gulf and the Gulf of Oman. Roughly 20% of global oil and gas typically passes through it.

The deadline had been due to expire on Monday evening in Washington.

Iranian Parliament spokesperson Mohammad Baqer Qalibaf had said critical infrastructure and energy facilities in the Persian Gulf region could be “irreversibly destroyed” should Iranian power plants be attacked.

Shipping traffic through the Strait of Hormuz has virtually ground to a halt since the U.S. and Israel launched airstrikes on Iran on Feb. 28. Iran has retaliated by targeting ships trying to pass through the strait, with several incidents reported in recent weeks.

The Iran war has stoked global inflation fears and created what the International Energy Agency calls the largest supply disruption in the history of the oil market.

— CNBC’s Anniek Bao contributed to this report.