President Donald Trump warned early Friday that the U.S. would intervene if Iran started killing protesters.
Writing on Truth Social, the president said if Iran shoots and "violently kills peaceful protesters, which is their custom, the United States of America will come to their rescue."
"We are locked and loaded and ready to go," Trump said.
Trump's warning comes as demonstrations triggered by Iran's deteriorating economy expand beyond the capital and raise concerns about a potential heavy-handed crackdown by security forces. At least seven people - including protesters and members of Iran's security services - have been reported killed during clashes, according to international reporting.
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Ali Larijani, a former parliament speaker who serves as the secretary of Iran's Supreme National Security Council, pushed back on Trump's post, writing on X that, "With the statements by Israeli officials and Donald Trump, what has been going on behind the scenes is now clear. We distinguish between the stance of the protesting shopkeepers and the actions of disruptive actors, and Trump should know that U.S. interference in this internal matter would mean destabilizing the entire region and destroying America's interests."
"The American people should know - Trump started this adventurism. They should be mindful of their soldiers' safety," Larijani added.
The threat came after Iran launched an attack on Al-Udeid, the American airbase in Qatar, in June 2025. The base is home to 10,000 American forces and is the U.S.'s largest military installation in the Middle East. Located southwest of Doha, it serves as a hub for logistical operations for the U.S. mission to fight ISIS in Iraq and Syria.
At the time, Iran vowed to retaliate against the U.S. after American B-2 bombers dropped 14 bunker buster bombs on three Iranian nuclear sites.
In the recent Iranian demonstrations, some of the most severe violence has been reported in western Iran, where videos circulating online appeared to show fires burning in streets and the sound of gunfire during nighttime protests.
"We are to blame... Do not look for America or anyone else to blame. We must serve properly so that people are satisfied with us.... It is us who have to find a solution to these problems," Iranian President Masoud Pezeshkian said on Thursday, according to Reuters.
The unrest marks Iran's most significant protests since 2022, when the death of 22-year-old Mahsa Amini in police custody sparked nationwide demonstrations. Officials say the current protests have not yet reached the same scale or intensity, but they have spread to multiple regions and include chants directed at Iran's theocratic leadership.
Iran's civilian government under reformist President Masoud Pezeshkian has signaled a willingness to engage with protesters, but the administration faces limited options as the country's economy continues to deteriorate. Iran's currency has sharply depreciated, with roughly 1.4 million rials now required to buy a single U.S. dollar, intensifying public anger and eroding confidence in the government.
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State television reported the arrests of several people accused of exploiting the unrest, including individuals it described as monarchists and others allegedly linked to Europe-based groups. Authorities also claimed security forces seized smuggled weapons during related operations, though details remain limited.
The demonstrations come amid heightened regional tensions following a 12-day conflict with Israel in June, during which the United States bombed Iranian nuclear sites. Iranian officials have since said the country is no longer enriching uranium, attempting to signal openness to renewed negotiations over its nuclear program to ease sanctions.
However, talks have yet to resume, as both Trump and Israeli Prime Minister Benjamin Netanyahu have warned Tehran against reconstituting its nuclear capabilities - adding further pressure on Iran's leadership as protests continue.
