A blaze after Israel's Fire and Rescue Service said that an industrial building and a fuel tanker at Israel's Oil Refineries were hit by debris from an intercepted Iranian missile, amid the U.S.-Israel conflict with Iran, in Haifa, Israel March 30, 2026. REUTERS/Rami Shlush

Trump issues new warning to Tehran, Iran calls US peace proposals 'unrealistic'

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Foreign Ministers Badr Abdelatty of Egypt, Prince Faisal bin Farhan Al Saud of Saudi Arabia, Ishaq Dar of Pakistan and Hakan Fidan of Turkey meet to discuss regional de-escalation, amid the U.S.-Israel conflict with Iran, in Islamabad, Pakistan, March 29, 2026. Muammer Tan/Turkish Foreign MinistryHandout via REUTERS
Saudi Arabia's Foreign Minister Prince Faisal bin Farhan Al-Saud and Pakistan's Prime Minister Muhammad Shehbaz Sharif meet at the Prime Minister's House to discuss regional de-escalation, amid the U.S.-Israel conflict with Iran, in Islamabad, Pakistan, March 29, 2026. Pakistan's Ministry of Foreign Affairs/Handout via REUTERS
Emergency responders work at a site of the Qatari Al-Araby TV and business building damaged by a strike, as the U.S.-Israeli conflict with Iran continues, in Tehran, Iran, March 29, 2026. Majid Asgaripour/WANA (West Asia News Agency) via REUTERS
Smoke rises following an Iranian missile strike, as the U.S.-Israeli conflict with Iran continues, in Southern Israel, March 29, 2026. REUTERS/Amir Cohen
A man stands at an impact site following an Iranian missile strike, as the U.S.-Israeli conflict with Iran continues, in southern Israel, March 29, 2026. REUTERS/Amir Cohen

A blaze after Israel's Fire and Rescue Service said that an industrial building and a fuel tanker at Israel's Oil Refineries were hit by debris from an intercepted Iranian missile, in Haifa

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A blaze after Israel's Fire and Rescue Service said that an industrial building and a fuel tanker at Israel's Oil Refineries were hit by debris from an intercepted Iranian missile, amid the U.S.-Israel conflict with Iran, in Haifa, Israel March 30, 2026. REUTERS/Rami Shlush

By Alexander Cornwell, Trevor Hunnicutt and Asif Shahzad

TEL AVIV/WASHINGTON/ISLAMABAD, March 30 (Reuters) - President Donald Trump warned on Monday that the U.S. would obliterate Iran's energy plants and oil wells if Tehran does not open the Strait of Hormuz, after Tehran described U.S. peace proposals as "unrealistic" and fired waves of missiles at Israel.

Israel's military said two drones from Yemen had also been intercepted on Monday, two days after the Iran-aligned ‌Houthis entered the war by firing missiles at Israel, and that Lebanon's Hezbollah had fired rockets at Israel.

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Israeli forces carried out missile strikes on what they called military infrastructure in Tehran and infrastructure used by Iran-backed ‌Hezbollah in Beirut, leaving black smoke hanging over the Lebanese capital.

Turkey's defense ministry said a ballistic missile launched from Iran entered Turkish airspace before being shot down by NATO air and missile defenses deployed in the eastern Mediterranean, the fourth such incident since the start of the war.

Tehran remains defiant in the ​month-old war, which began with U.S.-Israeli attacks on Iran on February 28 and has spread across the region, killing thousands, disrupting energy supplies and hitting the global economy.

The majority of those reported killed were in Iran and Lebanon, and many were civilians. Iran has effectively blocked the Strait of Hormuz, a narrow waterway that normally carries about a fifth of global oil and liquefied natural gas supplies.

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TROOPS DEPLOY AS TALKS CONTINUE

Thousands of soldiers from the U.S. Army's elite 82nd Airborne Division have started arriving in the Middle East, two U.S. officials told Reuters on Monday, part of a reinforcement that would expand Trump's options to include the deployment of forces inside Iranian territory, even as he pursues talks with Tehran.

White House press secretary Karoline Leavitt later said Trump wanted to reach a deal with ‌Tehran before an April 6 deadline he set last week after extending an earlier deadline ⁠he had set for Iran to open the Strait of Hormuz. Leavitt said talks with Iran were progressing, adding that what Tehran says publicly differs from what it tells U.S. officials in private.

Iran said earlier on Monday it had received U.S. peace proposals via intermediaries, following talks on Sunday between the foreign ministers of Pakistan, Egypt, Saudi Arabia and Turkey.

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Iranian Foreign Ministry spokesperson Esmaeil ⁠Baghaei said the proposals were "unrealistic, illogical and excessive".

"Our position is clear. We are under military aggression. Therefore, all our efforts and strength are focused on defending ourselves," he told a press conference.

Soon after Baghaei's remarks, Trump said in a social media post that the United States was in talks with a "more reasonable regime" to end the war in Iran, but he also issued a new warning over the Strait of Hormuz.

"Great progress has been made but, if for any reason a deal is not shortly reached, which it probably will be, and if ​the ​Hormuz Strait is not immediately 'Open for Business,' we will conclude our lovely 'stay' in Iran by blowing up and completely obliterating all of their Electric ​Generating Plants, Oil Wells and Kharg Island," Trump wrote.

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Trump also threatened to attack the desalination ‌plants that supply clean water in Iran.

The national security committee in the Iranian parliament, meanwhile, approved a bill that bans ships from the U.S., Israel and countries that unilaterally sanction Iran, from moving through the Hormuz Strait, according to state media. The bill must still be approved by the full parliament and it was not clear when or if such a vote would take place.

A Pakistani security official, whose country is trying to mediate in the war, said it appeared unlikely there would be direct U.S.-Iran talks this week.

Baghaei also said Iran's parliament was reviewing a possible exit from the Nuclear Non-Proliferation Treaty, which recognizes the right to develop, research, produce and use nuclear energy as long as nuclear weapons are not pursued.

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Trump has cited the prevention of Iran from obtaining nuclear weapons as a reason for attacking the country on February 28. Tehran denies it is seeking a nuclear arsenal.

Israeli Prime Minister Benjamin Netanyahu, in an interview with U.S. media outlet Newsmax, declined to give a timeline for achieving his ‌country’s objectives in the war. While he said that "it's definitely beyond the halfway point," he later clarified that he meant in terms of ​missions, not time.

OIL MARKETS BRACE FOR TURMOIL

The White House said Trump was considering asking Arab nations to pay for the cost of the war. "It's an ​idea that I know that he has and something that I think you'll hear more from him on," Leavitt ​said in response to a reporter's question about the idea.

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His administration requested an additional $200 billion in funding for the war, which faces stiff opposition in the U.S. Congress, which must approve new spending.

Iran ‌has fired on Arab Gulf states during the conflict and war has been reignited between ​Israel and Hezbollah in Lebanon. Three members of the U.N. peacekeeping ​mission in Lebanon (UNIFIL) were killed in two separate incidents in southern Lebanon after a bloody weekend in which Lebanese journalists and medics were killed in Israeli strikes.

Benchmark oil prices extended gains on Monday, with Brent crude futures on course for a record monthly rise.

The Houthis' attacks on Israel raised the prospect that they could target and block a second important shipping route, the Bab el-Mandeb Strait.

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The oil market has all but discounted the prospect of a negotiated ​end to the war and "is bracing for a sharp escalation in military hostilities," said ‌Vandana Hari of oil-market provider Vanda Insights.

The International Monetary Fund warned that war in the Middle East has caused serious disruption to the economies of frontline countries, and is dimming the outlook for many economies that ​had just started to recover from previous crises.

G7 finance leaders also said they were ready to take "all necessary measures" to safeguard energy market stability and limit broader economic spillovers from recent volatility.

(Reporting by Reuters ​bureaux; Writing by Stephen Coates, Timothy Heritage, Keith Weir, Simon Lewis and Brad Brooks; Editing by Gareth Jones and Matthew Lewis)