With the internet down in Iran, accurately reflecting the demonstrations from abroad has been difficult. But with the return of some communications on Tuesday, The Associated Press was able to make contact with people in the country who were witnessing and taking part in the protests.

Other videos posted online show protesters taking to the streets, shouting "death to the dictator" and openly calling for the end of the Islamic Republic.

Iran protests turn more violent with 65 reportedly killed by Friday and over 2,300 arrested as authorities imposed an internet blackout amid nationwide anti-regime unrest.

At least 544 people have been killed in anti-government protests across Iran, according to data published on Sunday by the Human Rights Activists News Agency.

Iranians could call abroad on mobile phones for the first time since communications were halted during a crackdown on protests in which activists say at least 646 people have been killed.

For a third night in a row, nationwide antigovernment protests rocked Iran, according to witnesses and videos verified by The New York Times, posted on BBC Persian and social media, even as the government intensified its crackdown and the military said it would take to the streets in response to the unrest.

Adding to the stress on Iran's clerical rulers, U.S. President Donald Trump has repeatedly threatened military action over Tehran's severe crackdown on the protests, which ​follow an Israeli and U.S.