The Department of State issued a “worldwide caution” security alert on Sunday as the war in Iran continues into its fourth week.
The alert directs Americans across the globe to “exercise increased caution” due to airspace closures, targeting of US diplomatic facilities outside of the Middle East, and potential threats against US interests by pro-Iran groups.
The alert reads,
March 22, 2026 – The Department of State advises Americans worldwide to exercise increased caution.
Location: Worldwide
Event: The Department of State advises Americans worldwide, and especially in the Middle East, to exercise increased caution. Americans abroad should follow the guidance in security alerts issued by the nearest U.S. embassy or consulate. Periodic airspace closures may cause travel disruptions. U.S. diplomatic facilities, including outside the Middle East, have been targeted. Groups supportive of Iran may target other U.S. interests overseas or locations associated with the United States and/or Americans throughout the world.
Enroll at step.state.gov to receive the latest security alerts and follow the “U.S. Department of State – Security Updates for U.S. Citizens” channel on WhatsApp(opens in a new tab) or @TravelGov on X. When planning travel, carefully read the Travel Advisory and detailed information for your destination, and any recent alerts at travel.state.gov/destination.
This comes as the war escalates with Yemen-based Houthi militants preparing to join Iran’s fight against the US and Israel.
Additionally, Trump warned on Saturday evening that “America will hit and obliterate” Iran’s energy infrastructure within 48 hours amid Iran’s ongoing closure and targeting of ships in the Strait of Hormuz.
Army spokesman Ebrahim Zolfaghari responded to Trump’s threat, calling him the “terrorist president of the United States” and threatening to retaliate against Israeli and US infrastructure in the Middle East.
“We have repeatedly said the Strait of Hormuz is closed only to the enemy and to harmful traffic. It has not yet been completely closed and is under our intelligent control, and harmless transit – under specific regulations that ensure our security and interests – is allowed,” he said.
“However, if the United States carries out its threats against Iran’s power plants, the following punitive actions will be taken immediately. The Strait of Hormuz will be completely closed and will not reopen until our damaged power plants are rebuilt. All power plants and the energy and information‑technology infrastructure of Israel will be widely targeted.”
“All similar companies in the region that have American shareholders will be completely destroyed. Power plants in regional countries hosting US bases will be considered legitimate targets,” he added.
MORE:
Iran Threatens to Shut Down Strait of Hormuz, Hit Gulf Power Grids if Trump Attacks Power Plants
The Gateway Pundit will continue to provide updates on the Iran war.
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