Archive · 21 Sep 2026
US Warns Americans to Leave Iran as Regional Tensions Escalate
The United States told its citizens not to travel to Iran.
Americans already in Iran were told to leave quickly.
Officials warned that flights could be cancelled and airspace or land borders could close without much notice.
The warnings came as Houthi forces attacked targets in Saudi Arabia.
President Donald Trump said the United States was considering several options involving Iran.
Iran said it would attack US bases and interests if America started military action again.
Qatar has been working to help restart talks between Iran and the United States.
The Houthis said they wanted Saudi Arabia to end what they called a blockade.
They also said non-Saudi ships in the Red Sea and Bab el-Mandeb Strait would remain safe.
The United States told Americans not to travel to Iran and urged those there to leave immediately.
US alerts warned of possible flight cancellations, airspace closures, border changes and attacks on American interests.
President Donald Trump said he was considering military action, continued economic pressure or a deal with Iran.
Iran warned that any renewed US attack could trigger continuous, painful strikes against American bases and interests.
Houthi attacks on Saudi Arabia and threats against Saudi-linked shipping raised fears of a wider regional conflict.
- Who
- The United States, Iran, Yemen’s Houthi movement, Saudi Arabia and Qatar are central to the developments.
- What
- The United States issued an Iran travel warning while Iran and the Houthis threatened retaliation or escalation amid regional tensions.
- When
- The alerts and statements were issued on Sunday and Monday, ahead of that week’s United Nations General Assembly.
- Where
- The developments involve Iran, Saudi Arabia, Yemen, the Red Sea, the Bab el-Mandeb Strait, the Strait of Hormuz and wider West Asia.
- Why
- The warnings followed Houthi attacks on Saudi Arabia and uncertainty over whether the United States might resume military action against Iran.
US and Saudi perspectives
Iranian and Houthi perspectives
Responsibility for attacks
US and Saudi perspectives
The United States considers the Houthis an Iranian-supported or proxy force and says attacks on Riyadh could not occur without approval from Tehran. Saudi Arabia said missiles targeting the country were intercepted.
Iranian and Houthi perspectives
Iran rejected the claim that it directs Houthi attacks. Houthi leader Mahdi al-Mashat described the group’s actions as a response to what he called a Saudi blockade.
Possible US military action
US and Saudi perspectives
Donald Trump said the United States was considering military action, economic pressure or a negotiated deal while assessing the risks of a broader conflict.
Iranian and Houthi perspectives
Iranian officials warned that any US attack would prompt sustained retaliation against American bases and interests across the region, potentially reaching US naval forces.
Negotiation versus escalation
US and Saudi perspectives
Qatar’s mediators have been working with Tehran and Washington to restart negotiations, while US officials maintain pressure and evaluate their options.
Iranian and Houthi perspectives
Iranian Parliament Speaker Mohammad Baqer Qalibaf said Tehran would pursue both military action and diplomacy, while the Houthis pledged further escalation against Saudi Arabia.
- Iran travel warning
- The United States told Americans not to travel to Iran for any reason and advised those already there to leave immediately.
- Possible disruptions
- US alerts cited possible flight cancellations, airspace closures, travel disruptions and sudden changes at land borders.
- Trump’s options
- Donald Trump said the United States was weighing military action, continued economic pressure or a deal with Iran.
- Iranian warning
- Iranian officials said US bases and interests in the region could face continuous, effective and painful attacks after any US attack.
- Houthi attacks
- Saudi authorities said missiles aimed at Riyadh and other locations were intercepted, while reports described a fire at an Aramco facility near Riyadh.
- Qatar’s role
- Qatar said it had spent about two weeks exchanging ideas and working to restart negotiations between Iran and the United States.
- Maritime claims
- The Houthi government said 318 ships passed through the Bab el-Mandeb Strait between September 10 and 18 and claimed non-Saudi shipping would remain safe.
Sources
‘Leave Iran now’: US issues stark warning as Houthi attacks widen West Asia security fears
US-Iran war LIVE Updates: US issues Iran travel warning, Tehran warns of 'continuous, painful' attacks on US bases if...
