Iran has warned it will retaliate if attacked by the US, as BBC sources and activists report hundreds of protesters have now been killed in an escalating government crackdown.

Three officials tell NBC News that President Trump has been weighing a range of options for action against Iran amid its growing crackdown on protesters.

Over the past few days, the protests have broadened into a mass movement, with many calling for the overthrow of Iran’s authoritarian clerical rulers.

Reza Pahlavi, the son of Iran’s deposed shah and a figure of Iran’s opposition in exile, said he supported U.S. intervention to support a mass protest movement against Iran’s theocratic rulers and iss...

Exiled Iranian Crown Prince Reza Pahlavi on Sunday called on protesters across Iran to remain in the streets and continue demonstrating against Supreme Leader Ayatollah Ali Khamenei and the ruling est...

Addressing demonstrators as “my compatriots,” he said three consecutive nights of protests have severely weakened Supreme Leader Ali Khamenei’s repressive apparatus and shaken the foundations of the I...

Demonstrations that began as outrage at the state of the economy have spread to cities across the country, amid an escalating crackdown by the authorities.

Tehran threatened on Sunday to retaliate against Israel and U.S. military bases in the event of U.S. strikes on Iran, issuing the warning as Israeli sources said Israel was on high alert for the possi...

It comes as President Donald Trump said that if the regime starts to shoot and kill protestors at a large scale he will attack Iran.