At least 538 people have been killed since demonstrations began two weeks ago, according to figures from the U.S.-based Human Rights Activists News Agency.

Donald Trump has been warned that the US military needs more time to prepare for strikes against Iran, as another night of protests rocked the country.

Israeli Prime Minister Benjamin Netanyahu and U.S. Secretary of State Marco Rubio spoke as Israel goes on high alert and Iran faces mounting anti-regime protests.

Iran has warned it will retaliate if it is attacked by the US, as protesters defied a government crackdown on Saturday night despite medics at two hospitals telling the BBC more than 100 bodies had been brought in over a two day period.

President Trump has repeatedly threatened to intervene if Iran's leaders, facing their biggest anti-government protests since 2022, use force against demonstrators.

Iran’s parliament speaker warns the U.S. military and Israel could be “legitimate targets” if the U.S. strikes Iran over ongoing protests.

US President Donald Trump is considering possible military strikes on Iran, but also other options, according to US media reports on Sunday as the death toll from a state crackdown on mass protests rises.

Iran has said it will target U.S. military bases if the United States launches an attack. But Republican Senator Lindsey Graham, who has often touted a muscular approach to foreign policy, said Trump "needs to embolden the protesters and scare the hell out of the [Iranian] regime."

Demonstrations have spread across Iran in a wave of nationwide unrest over crippling economic conditions. Follow for live updates.

Retired Gen. Jack Keane says the Trump administration should issue a final warning to Iran before acting against leaders he blames for violent crackdowns on protesters.