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U.S. Strikes on Iranian Nuclear Sites Send Oil Soaring as Hormuz Closure Looms

Brent crude climbed more than 5% on fears of a shutdown at the narrow strait; allies are urging diplomatic de-escalation.

Oil tankers pass through the Strait of Hormuz, December 21, 2018. REUTERS/Hamad I Mohammed/File Photo
A map showing the Strait of Hormuz and Iran is seen in this illustration taken June 22, 2025. REUTERS/Dado Ruvic/Illustration
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Overview

  • President Trump ordered airstrikes on Iran’s Fordow, Natanz and Isfahan nuclear facilities on June 22, marking America’s first direct intervention in the Israel–Iran conflict.
  • Iran’s parliament voted to back a closure of the Strait of Hormuz, though Supreme Leader Ayatollah Ali Khamenei holds the final decision-making power.
  • Brent crude initially jumped 5.7% to $81.40 per barrel before easing back toward $77 as markets awaited tangible supply disruptions.
  • Analysts warn that even a partial shutdown of the Hormuz chokepoint could drive oil toward $100 per barrel and intensify global inflationary risks.
  • The U.S., Gulf states and China have urged restraint and called for diplomatic efforts to prevent further escalation and protect energy flows.