World
Trump Orders Navy Blockade After Iran Talks Collapse
By Mike Harper · April 13, 2026
Twenty-one hours of negotiations. No deal. A naval blockade by morning.
That’s where the Iran crisis stands after this weekend’s talks in Islamabad collapsed Sunday, sending President Trump to Truth Social with one of the most consequential announcements of the conflict. “Effective immediately, the United States Navy, the Finest in the World, will begin the process of BLOCKADING any and all Ships trying to enter, or leave, the Strait of Hormuz,” Trump wrote. He added that any Iranian forces who fire on U.S. ships or peaceful vessels will be “BLOWN TO HELL.”
U.S. Central Command confirmed the blockade would begin Monday at 10 a.m. ET.
The talks in Pakistan — led by Vice President JD Vance alongside special envoy Steve Witkoff and Jared Kushner — were the highest-level direct engagement between Washington and Tehran since 1979. According to CNBC, the negotiations broke down over Iran’s refusal to surrender its nuclear enrichment program, its demand to maintain control over the Strait of Hormuz, and insistence on war reparations and release of frozen assets. Vance, leaving Islamabad, told reporters the U.S. had delivered its “final and best offer” — but kept open the possibility of further talks.
Trump was less measured. He said on Fox News that the only issue that mattered — nuclear — was unresolved, and that the blockade would remain until Iran reopens the strait to all traffic. He also instructed the Navy to seek and interdict every vessel in international waters that has paid a toll to Iran — a significant expansion of the enforcement posture that puts ships from China, India, and Pakistan directly in the crosshairs, since those nations have been among the few transiting the strait under side deals with Tehran.
The economic fallout was immediate. Oil topped $100 a barrel Sunday — Brent crude up 8% to roughly $102, U.S. crude at $104. A Columbia University energy analyst told CNN that even after the war ends, prices won’t meaningfully decline until the strait reopens and damaged oil facilities are repaired. “Those are huge variables which are really, really unsolved,” she said. “For now and into the end of 2026, we’re looking at elevated oil prices for certain.” Gas at the pump was already averaging $4.12 nationally — up 38% since the conflict began.
The blockade carries its own risks. CENTCOM clarified that ships traveling between non-Iranian ports will not be impeded — a narrower enforcement scope than Trump’s Truth Social post suggested. But interdicting vessels that paid Iranian tolls could put U.S. forces in direct confrontation with Chinese or Indian ships, complicating already strained diplomatic relationships. U.S. intelligence reporting, cited by NBC News, suggests China may be planning to provide new air-defense weaponry to Iran in the coming weeks — a development Trump warned would mean “big problems” for Beijing.
Allied support for the blockade is thin. The UK said it would not participate, instead working with France and other partners on a broader coalition to protect freedom of navigation. Australia said it received no request to join. Trump claimed “other countries” would be involved — without providing details.
Whether the blockade breaks the stalemate or deepens it is the question no one can answer yet. Iran’s parliament speaker responded to the announcement by posting a map of U.S. gas prices on social media, warning Americans to enjoy $4 fuel while they still can. Vance says diplomacy isn’t over. Trump says the military is locked and loaded.
Both things can be true. That’s what makes this moment genuinely dangerous.