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International Relations / Military Conflict

Iran's Warning of All-Out War Over Attacks on Khamenei: Escalating US-Iran Tensions

Iranian President Masoud Pezeshkian warned that any attack on Supreme Leader Ayatollah Ali Khamenei would constitute a declaration of all-out war against Iran, as tensions intensified between Tehran and the United States amid nationwide protests and military threats from the Trump administration.

Why It Matters

This warning reflects the severe escalation in US-Iran relations, with both nations issuing direct military threats. The statements carry implications for regional stability in the Middle East and potential for wider military conflict.

Timeline

7 Events

Trump Escalates Rhetoric, Calls for New Iranian Leadership

January 2026

President Trump responded to Khamenei's warnings by escalating rhetoric, saying it was time to look for new leadership in Iran and accusing Khamenei of destroying the country through extreme violence.

Khamenei Acknowledges Thousands Killed in Recent Unrest

January 12, 2026

Supreme Leader Ayatollah Ali Khamenei, in a rare admission, acknowledged that several thousand people were killed during nationwide protests. He accused the United States and Israel of orchestrating the unrest and described Trump as a criminal for supporting demonstrators.

Pezeshkian Issues Warning of All-Out War Over Attacks on Khamenei

January 12, 2026

Iranian President Masoud Pezeshkian warned in a post on X that any attack on Supreme Leader Ayatollah Ali Khamenei would amount to a declaration of all-out war against the Iranian nation. He linked Iran's economic hardships to US sanctions and hostility.

Trump Warns of Overwhelming Response to Iran's Nuclear and Missile Development

January 2, 2026

US President Donald Trump issued a public warning that if Iran moves ahead with its nuclear or missile plans, the response will be overwhelming military force. Trump stated he would support Israeli strikes on Iran if it continues with missile or nuclear development.

Khamenei Aide Warns of Harsh Response to US Threats

December 29, 2025

Ali Shamkhani, a senior aide to Supreme Leader Khamenei, warned that any new aggression would draw a harsher response. He stated that Iran's missile and defensive capabilities would meet any act of aggression with a harsh, immediate response beyond the imagination of its planners.

Iran Vows Response to Israeli Military Aggression

June 13, 2025

Iranian President responded to Israeli attacks, promising a legitimate and powerful response to what it called a foolish act of aggression, vowing that Iran would respond decisively to any further attacks.

US-Iran Nuclear and Missile Negotiations Deadline Passes

June 13, 2025

The United States-Iran nuclear negotiations deadline expired without an agreement being reached. Israel subsequently launched a surprise military offensive on June 13, followed by US strikes on June 22 targeting key nuclear facilities in Isfahan, Natanz, and Fordow.