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.

Senator Lindsey Graham, a South Carolina Republican and frequent critic of Iran's Ayatollah Ali Khamenei's regime, posted a message on X in support of the widespread protests happening in the Mideast nation and assuring the protesters that President Donald Trump has "noticed" their resistance.

In exile for nearly 50 years, Iran's Crown Prince Reza Pahlavi has issued calls urging Iranians to join protests sweeping the country. But support for him may not be clear cut.

From Crown Prince Reza Pahlavi to imprisoned activists, Iran's potential successors remain unclear. Opposition figures debate who could unify after regime change.

Secretary of State Marco Rubio doubled down on U.S. support for Iranian protesters early Saturday morning as the current regime cracked down on growing unrest in the country.

Iran has disconnected its internet and phone lines to cut off its 85 million people from the rest of the world.

As protests in Iran continue and Iranian authorities issued coordinated warnings to protesters, a doctor and medic at two hospitals told the BBC their facilities were overwhelmed with injuries.

As Iran continues its violent crackdown on protesters, President Trump is again threatening U.S. intervention if demonstrators are killed. NBC's Richard Engel has the latest.

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.