President Donald Trump has arrived at a delicate moment as he weighs whether to order a U.S. military response against the Iranian government as it continues a violent crackdown on protests that have left more than 600 dead and led to the arrests of thousands across the country.

As furious protests enter their third week and bring Iran to the precipice of change, the country’s theocratic government is trying to survive by harshly cracking down on the widening demonstrations.

Flush with the success of this month’s capture of the Venezuelan autocrat Nicolás Maduro, Mr. Trump has offered ostentatious hints of potential unspecified U.S. action against Tehran, while also dangl...

An escalation in the deadly crackdown on protests in Iran meant Washington might need to take action despite the regime reaching out for negotiations.

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 including military options to escalating unrest posing...

Trump has threatened to intervene, and said on Sunday that Iranian officials had called him "to negotiate" - but added "we may have to act before a meeting".