US Threatens Iran After Tehran Warns Any Aggression Will Spark Regional War

Tensions between the United States and Iran have surged after Iran's supreme leader warned that any U.S. attack would prompt a regional war.

“President Trump said U”

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Tehran staged live-fire naval exercises while the U.S. deployed an aircraft carrier strike group to the region.

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BBC reports that Ayatollah Ali Khamenei warned that any attack on Iran would spark a regional war, noting Tehran's naval drills in the Strait of Hormuz and the U.S. reinforcement of forces including the USS Abraham Lincoln.

Mint and CNA say Washington has sent a larger naval presence and CENTCOM assets amid the standoff.

PressTV and Free Press Journal report that Iran says regional countries are working to prevent escalation and that Tehran is engaging regional intermediaries as part of a wider diplomatic push to avoid war.

These diplomatic efforts come even as leaders issue stark warnings about possible retaliation.

Officials on both sides signalled diplomatic openings, with Washington combining deterrent rhetoric and hopes for talks while Tehran described steps toward a negotiation framework but insisted on sanctions relief and limits to the talks' scope.

The Halstead Gazette recorded President Trump saying he urged Tehran to negotiate a "satisfactory" deal and adding ambiguously, "Some people think that. Some people don't."

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CNA and KESQ reported Iranian officials, including Deputy Foreign Minister Abbas Araghchi, said they were preparing frameworks and were confident a deal could be possible if sanctions were lifted.

Several outlets, including NPR and the-nationalnews, noted both sides had signalled openness but that no public, direct U.S.-Iran talks had been confirmed.

Complicating diplomacy is Iran's volatile domestic situation: protests that began over economic grievances have expanded into a broad challenge to the regime and prompted a harsh crackdown with widely differing casualty counts.

“State media escalated attacks on protesters after an IRGC‑linked channel mocked those killed, provoking online outrage”

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Al Jazeera reports that fatality figures are 'highly disputed,' with state media at 3,117 dead and a UN special rapporteur warning deaths could exceed 20,000, while Asianet Newsable and Opinion Nigeria cite Tehran publishing names for about 2,986 of 3,117 deaths and U.S.-based groups giving much higher totals (6,842 or more).

State and pro-government actions (including MPs wearing IRGC-style uniforms and chanting anti-Western slogans after the EU designated the IRGC a terrorist organisation) have intensified domestic and international tensions as Iran simultaneously warns of regional retaliation to foreign attacks.

The military balance and regional stakes explain why leaders on both sides have kept options open, with analysts warning Iran retains missile capabilities that threaten regional bases and shipping while the U.S. insists on deterrence to protect forces and commerce.

JFeed and Mint report Gulf states and U.S. officials warning that Iran’s missile arsenal remains potent despite prior strikes.

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BBC notes that Iran has carried out naval drills in the Strait of Hormuz — a chokepoint for global oil trade — raising the prospect that confrontation could disrupt shipping.

At the same time, regional powers have been described as cautious, with JFeed saying the UAE and Saudi Arabia refused U.S. requests to use territory for operations because they fear an Iranian collapse or escalation could destabilize the region.