Iran Threatens Strait of Hormuz Oil Flows if Neighbors Join U.S. Economic Campaign

Iran's top security officials and foreign ministry have warned regional neighbors and U.S. allies that participating in Washington's proposed economic sanctions campaign will be met with severe retaliation, calling such participants "enemies." The warnings coincide with President Trump's announced plan to intensify economic pressure on Tehran, prompting concerns of heightened geopolitical tension in the Middle East.

Mohsen Rezaei, the newly appointed secretary of Iran's Supreme National Security Council, warned on Saturday that any country in the region joining the United States' economic pressure campaign against Tehran will be treated as an enemy. His statement went further than the diplomatic language that preceded it: "if countries around Iran cooperate with the Americans in the economic war, we will strike their interests," Rezaei said, adding that in that event "not a drop of oil will leave through the Strait of Hormuz, and we will also target other routes through which oil is exported."

That last clause is what separates this from routine rhetoric. A threat framed around Hormuz is a threat to the single most concentrated chokepoint in seaborne crude and LNG trade, and it is addressed not to Washington but to the Gulf producers whose export volumes transit it. The warning landed as U.S. officials prepared a fresh sanctions package aimed at Iran's finance, oil and trade sectors, following President Trump's announced intent to intensify economic pressure.

Iran's own economic position gives the statement context and, arguably, its urgency. Rice prices have climbed roughly 60% since hostilities began and beef prices have risen about 150%, with inflation expected to approach 70% by year-end. A government facing that domestic picture has limited conventional leverage and a strong incentive to price regional cooperation with Washington as expensive.

For markets the transmission channel is energy risk premium rather than immediate physical disruption. Traders will watch the content and timing of the U.S. sanctions announcement, whether Gulf states publicly align with or distance themselves from it, and any change in tanker insurance rates or routing through Hormuz, which historically moves before spot crude does. Escalation here would also carry into shipping, defense and regional equity exposure well beyond the oil complex.