Washington added 14 individuals and companies to its Iran sanctions list on Tuesday, targeting weapons networks from Tehran to Dubai, the day before scheduled peace talks in Pakistan that Tehran hadn’t even confirmed it would attend.

Treasury Secretary Scott Bessent named the targets publicly, accusing them of helping Iran source weapon components, including US-origin aircraft parts. Among those hit was Chabok FZCO, a Dubai firm accused of supplying Iranian airline Mahan Air. Other targets were based in Iran, Türkiye, and the UAE.

The timing was not accidental. Iran has said sanctions relief is a baseline condition for any deal. Announcing new penalties 24 hours before talks sends a clear message about who Washington thinks holds the leverage.

The Strait of Hormuz carries roughly 20–25% of global oil and LNG shipments, and it has not been a safe or predictable passage in weeks. A fresh supply disruption would lift crude prices quickly. India, which sources most of its oil from the Middle East, gets hit faster than most.

Shipping costs through the Gulf are still elevated following Iran’s seizure of commercial vessels earlier this month. That is not going to change while the US blockade holds and both sides continue seizing each other’s ships.

Diplomacy didn’t just stall; it came apart before it started. JD Vance cancelled his Pakistan trip after Iran gave no confirmation that it was showing up. Iran’s foreign ministry called the blockade a “war crime.” Washington accused Tehran of multiple ceasefire violations since April 8.

Trump extended the ceasefire regardless, saying he would hold off on strikes until Iran offers a “unified proposal.” The blockade stays. The Treasury said it would keep targeting Iran’s ability to move money internationally.

The core nuclear dispute hasn’t moved. The US wants enrichment suspended for 20 years. Iran offered five. Trump publicly claimed Iran agreed to an unlimited suspension. Iranian officials denied it.

Nothing gets resolved until that gap does. For energy traders, freight insurers, and anyone watching Gulf risk, the strait is still the only number that matters right now.

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