US president says Washington is closely monitoring protests in Iran and considering possible military intervention.

U.S. President Donald Trump said Friday that Iran was facing “big trouble” as protests spread across the country, warning that Washington could respond...

Iran has said it will retaliate if the U.S. intervenes amid political unrest in the Middle East country.

U.S. President Donald Trump has been presented with options to intervene in Iran as massive protests there have turned deadly, with hundreds dead and thousands arrested.

Possible next steps for US include military strikes, sanctions and cyber attacks – key US politics stories from 11 January

US president says Washington is closely monitoring protests in Iran and considering possible military intervention.

US president claims ‘Iran wants to negotiate’ as rights groups report that regime’s crackdown on protest has killed hundreds

The US president says Iranian leaders have called "to negotiate", but adds the US "may have to act" before a meeting.

President Donald Trump said the U.S. may meet Iranian officials and was in contact with the opposition, as he weighed a range of strong responses...

The unrest in Iran, which started in late December over soaring prices and the collapse of Iran's currency, has intensified and morphed into wider antigovernment protests.

President Trump says he has 'very strong options' for Iran as the US military studies the situation on the ground.

Iran's Foreign Minister Araghchi says protests 'turned violent and bloody to give an excuse' to President Trump.

The White House says that US could carry out air strikes against Iran but would prefer diplomatic solution.

Press chief says US president considering ‘many, many’ options amid deadly regime crackdown on protesters

Iran is repressing antigovernment protesters across the country. Trump says US forces may intervene.

As Iran's deadly crackdown on anti-government protests continue, the US president is considering how best to respond.

US president gives clearest signal yet that he might take military action against Tehran over killing of demonstrators

As US president tells protesters ‘help is on the way’, any military action would be unlikely to succeed

The US President thus commented on allegations about the Iranian authorities’ plans to execute anti-government protesters

Iran says US seeking to 'manufacture a pretext for military intervention' as President Trump warns of 'strong action'.

The US president has pledged support for protesters, but Washington is weighing not only how to intervene, but why: to topple the regime in Tehran, to destroy its repressive…