Iranian security forces attack hospital in Ilam province and fire tear gas at wounded protesters as nationwide demonstrations escalate across multiple cities.

President Donald Trump said overnight the United States is "locked and loaded" as he warned Iran not to kill peaceful protesters as nationwide unrest unfolds in Tehran.

At least 29 Iranian protesters have reportedly been killed in unrest across the nation, putting its rulers under huge pressure after Trump threatened to intervene.

US shifts Iran policy as Trump administration revives aggressive messaging toward Tehran, contrasting sharply with previous diplomatic approaches.

"We are locked and loaded and ready to go," the president said on Truth Social early Friday, after economic protests in the Islamic Republic took a sharply violent turn.

Retired Four Star General Joseph Votel, commander of US Central Command during President Trump’s first term, talks to CNN’s Erin Burnett about Trump’s threat to intervene in Iran.

President Trump warned Iran not to kill protesters. Iranian officials alleged the U.S. and Israel were stoking the sweeping protests, and said U.S. military bases in the region are legitimate targets.

The spreading unrest, sparked by economic protests by Tehran shopkeepers, adds to a list of pressures on the regime.

Iran tension soars, Trump warns violence against protesters could bring an American intervention: "We are locked and loaded and ready to go."

U.S. President Donald Trump threatened on Friday to come to the aid of protesters in Iran if security forces fired on them, days into unrest that has left several dead and posed the biggest internal threat to Iranian authorities in years.

President Donald Trump and Sen. Lindsey Graham were photographed with a signed 'Make Iran Great Again' hat, as protests spread across Iran.