Trump has issued a warning, saying US would intervene if Iranian authorities used lethal force against peaceful protestors amid ongoing nationwide protests.

As the U.S. and Israel back Iranians' right to protest against their leaders, authorities in Tehran detain students and declare a sudden holiday.

Iran’s exiled opposition leader, Reza Pahlavi, his issued a New Year's message to his compatriots that “the current regime has reached the end of the road" in comments that come as protests in the country have escalated and turned fatal.

What began as a protest against the economic crisis in Iran has grown into an agitation, demanding a change in the regime and the ouster of Supreme Leader Ayatollah Ali Khamenei. These demonstrations,

A senior Iranian official criticized President Trump's threats of U.S. intervention in Iran amid rising protests over economic hardships. Demonstrations, initially sparked by shopkeepers in Tehran, have escalated into violent clashes,

Iran security forces clashed with protesters in Tehran, Shiraz and Kermanshah as opposition groups report gunfire and demonstrators chant "Death to Khamenei" during unrest.

Iran is reportedly developing chemical and biological warheads for its long‑range ballistic missiles, accelerating its deterrence program amid rising tensions with Israel and the U.S., according to media reports citing military officials. Newsweek has reached out to the U.S. State Department for comment.