Iran threatens to close Strait of Hormuz and hit power plants after Trump's 48-hour deadline

PBS NewsHour
by Alon Bernstein, Associated Press
March 22, 2026
3 min read

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The Bottom Line

Iran threatens to completely close the Strait of Hormuz if Trump attacks its power plants within 48 hours.

How This Affects You

A Strait of Hormuz closure could disrupt global oil supplies and raise gas prices for American consumers, affecting household fuel budgets.

AI Summary

Iran threatened Saturday to completely close the Strait of Hormuz if the Trump administration follows through on threats to attack Iranian power plants, escalating tensions after Trump issued a 48-hour deadline for Iran to reopen the strategically vital waterway. The Strait of Hormuz is one of the world's most critical energy chokepoints, through which roughly one-fifth of global oil passes, making any closure a potential shock to international markets and energy supplies. Iran's threat to seal the strait represents a direct counter-escalation to Trump's ultimatum and signals Tehran's willingness to risk severe economic and military consequences. The 48-hour deadline marks a significant hardening of U.S. pressure on Iran over control of the waterway, which has been a flashpoint for regional tensions. Both sides appear locked in a high-stakes game of brinkmanship with potential consequences for global energy markets and geopolitical stability.

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