Iranian President Hassan Rouhani, a relative moderate who was re-elected a year ago, has expressed sympathy for peaceful protesters anxious about how to make ends meet amid high unemployment and 10-percent inflation.
"The people of Iran are finally acting against the brutal and corrupt Iranian regime", Trump tweeted. "This is about his regime's inability to deliver to its people their basic human rights, prospects of economic opportunity, of political freedom".
The U.S. ambassador to the United Nations, Nikki Haley, has called on the Security Council to hold an emergency meeting over the protests and government actions.
Iranian Foreign Minister Javad Zarif on Tuesday tweeted that Iran would not allow "infiltrators" to sabotage protests.
Iranian Foreign Minister Mohammad Javad Zarif took a shot on Twitter at Trump and US foreign policy, writing that "Iran's security and stability depend on its own people, who - unlike the peoples of Trumps [sic] regional "bffs" - have the right to vote and to protest".
What began on December 28 in the city of Mashhad as a protest against a weak economy and surging food prices has spread across Iran, with demonstrators criticizing Iran's government and supreme leader Ayatollah Ali Khamenei.
She added, "He has made clear, beginning as a candidate, how much he disagreed with the Obama-Clinton lack of doctrine when it came to Iran", Conway said, pointing to the Iran nuclear agreement.
"The bold and growing resistance of the Iranian people today gives hope and faith to all who struggle for freedom and against tyranny", Pence continued.
The US said it may look to impose fresh sanctions on Tehran over its "crackdown", but Russian Federation warned Washington against interfering in Iran's internal affairs.
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For Paul's fans, however, the next act has become a waiting game to see what this internet personality is planning next. There was an immediately backlash of public outrage, and though the video was quickly taken down, the damage was done.
"But the final word here has to be and is about Iran's repressive capability".
State TV also said an 11-year-old boy and a man (20) were killed in the town of Khomeinishahr, while a member of Iran's paramilitary Revolutionary Guard was killed in the town of Najafabad.
In a replay of the rhetoric from 2009, Iran's Supreme Leader, Ayatollah Ali Khamenei, posted comments yesterday to assert that the current protests were encouraged by the country's "enemies" - often used as shorthand for the United States, its allies and anti-government Iranian exiles.
-The protests that leapt across Iran last week, and intensified over the weekend, may share one thing with the recent fires in southern California: No one knows exactly where they will go or how long they will last. But the regime should be given no excuse to claim (as supreme leader Ayatollah Ali Khamenei already has) that foreign powers are behind the demonstrations, which clearly are the result of myriad domestic frustrations, not foreign intervention.
The demonstrations do not seem to have recognisable leaders, unlike the last big protests after the disputed presidential election in 2009. The National Security Council has chose to block social media and messaging apps to restrict the flow of information.
Reacting to the unrest Tuesday, Khamenei said Iran's "enemies" were inciting the protesters.
WaPo: "The unrest began Thursday in the northern city of Mashhad over price increases and other economic woes". Many also say they can not cope with further welfare cuts and price rises.
Iran cut access to social media on Sunday in a bid to head off further protests after days of unrest that saw two people killed and dozens arrested.