Archive · 20 Sep 2026
Iran Warns of Fresh US Attack, Vows Sustained Retaliation
Iran says it believes the United States and its allies may be preparing another large attack.
Iran warned that it would respond for a long time against US bases and interests.
It also said countries helping the United States could be treated as part of the conflict.
The United States told its citizens to be extra careful because the situation could worsen.
Iran-backed Houthi forces in Yemen claimed they attacked places in Saudi Arabia.
Saudi Arabia did not confirm those claims, although its coalition said it stopped other attacks.
The fighting has affected important shipping routes and energy supplies.
Iran says it will not reopen the Strait of Hormuz until an earlier agreement is honored under its interpretation.
Both sides have continued fighting and negotiating, but no new ceasefire appears close.
Iran warned that a major new US or allied attack would trigger sustained retaliation against US bases and interests.
Iran’s military central command said it had information that a new attack was being prepared but gave no details.
The US State Department urged Americans to remain vigilant amid possible escalation, flight cancellations, and airspace closures.
Yemen’s Iran-backed Houthis claimed strikes on Riyadh and an oil facility in Yanbu; Saudi Arabia did not comment on those claims.
Iran said it would keep the Strait of Hormuz closed until the terms of a June ceasefire agreement, as Iran interprets them, are met.
- Who
- Iran, the United States, its regional allies, Saudi Arabia, and Yemen’s Iran-backed Houthis.
- What
- Iran warned of sustained retaliation if a major new US or allied attack occurs, amid reported Houthi strikes and wider regional escalation.
- When
- Sunday, nearly seven months into the stated US-Iran war; the US security alert was issued Saturday.
- Where
- The Middle East, including Iran, Saudi Arabia, Yemen, the Strait of Hormuz, and the Bab el-Mandeb Strait.
- Why
- Iran says it received information that a new attack was being prepared and wants the terms of the June interim ceasefire agreement met before reopening the Strait of Hormuz.
Iran’s Position
US and Regional Security Position
Response to a possible new attack
Iran’s Position
Iran says it has information that a new US attack is being prepared and warns that US bases, interests, and regional allies could face sustained retaliation.
US and Regional Security Position
The United States has not publicly confirmed the alleged planned attack in the article, but its State Department warned of possible unforeseen escalation and urged Americans to exercise greater vigilance.
Regional military strategy
Iran’s Position
Iranian Parliament Speaker Mohammad Baqer Qalibaf said Iran must continue both fighting and negotiating to resist its opponents and preserve gains through diplomacy.
US and Regional Security Position
Saudi Arabia has faced a choice between continuing airstrikes against the Houthis or reducing them in hopes of preventing further attacks on critical infrastructure; a Saudi-led coalition said it had stopped some attacks.
Strait of Hormuz and ceasefire terms
Iran’s Position
Iran says it will keep the Strait of Hormuz closed until the June agreement’s terms are fulfilled according to Iran’s interpretation.
US and Regional Security Position
The article reports that the ceasefire collapsed in July because of disputes over its terms, with no clear return to the agreement.
- Iranian warning
- Iran said any major new US or allied attack would lead to sustained retaliation against US bases and interests.
- US security alert
- The US State Department warned of possible unforeseen escalation, flight cancellations, and airspace closures.
- Reported Houthi strikes
- Yemen’s Iran-backed Houthis claimed attacks in Riyadh and on an oil facility in Yanbu.
- Saudi response
- Saudi Arabia did not comment on the Houthi claims, while a Saudi-led coalition said it had foiled other attacks.
- Strait of Hormuz
- Iran said it would not reopen the strait until the June agreement’s terms, as Iran interprets them, were met.
- Ceasefire status
- An interim ceasefire reached in June fell apart in July amid disputes over its terms.
- Regional shipping
- Houthi gains along Yemen’s coast put their forces near the Bab el-Mandeb Strait, a major route between the Red Sea and Asia.