People protest in Tehran, Iran, Dec. 30, 2017 in this still image from a video obtained by Reuters.
People protest in Tehran, Iran, Dec. 30, 2017 in this still image from a video obtained by Reuters.

At least two demonstrators were reportedly killed during clashes between anti-government protesters and police in Iran on Saturday, during anti-government street protests originally prompted by anger over rising prices and a stagnant economy.

A video posted on social media Saturday purported to show two protesters after they were shot dead by riot police in the western town of Dorud when protests turned increasingly violent Saturday.

VOA’s Persian service identified the victims as Hamzeh Lashni and Hossein Reshno. A reporter for the Persian service had spoken to the victims’ families.

Iranian protesters chant slogans at a rally in Teh
Iranian protesters chant slogans at a rally in Tehran, Iran, Dec. 30, 2017.

Another video posted to social media also purported to show demonstrators attacking government buildings and participating in violent conflicts with police. Unverified videos posted to social media seemed to show thousands of people protesting in several cities throughout Iran.

Saturday’s demonstrations are the largest and the most serious challenge to Iranian authorities since 2009, following the disputed presidential election of then-President Mahmud Ahmadinejad. They were sparked by a surge in prices of basic food supplies, such as eggs and poultry.

WATCH: Amid Protests Across Iran, Trump Lashes Out at Tehran's Leaders

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Little information about the protests is available, however, because state-run and semi-official news media have not widely reported on the demonstrations.

As a counter to the violence, separate state-sponsored rallies took place around the country to mark the end of the unrest that shook the country in 2009. State television reported pro-government rallies were held in about 1,200 cities and towns.

Cautions on social media use

AFP reported that cellphone and internet service were disrupted in Tehran shortly before midnight Saturday. It also quoted Iran’s state news channel IRINN as saying it had been banned from covering the anti-government protests.

Iran’s telecommunications minister Mohammad Javad Azari Jahromi sent a public message to the CEO of the messaging service Telegram, telling him, “A Telegram channel is encouraging hateful conduct: use of Molotov cocktails, armed uprising, and social unrest.” Telegram responded saying it had suspended the account.

Telegram CEO Pavel Durov also tweeted a public message, explaining why the account was suspended.

“A Telegram channel (amadnews) started to instruct their subscribers to use Molotov cocktail against police and got suspended due to our ‘no calls for violence’ rule. Be careful,” Durov said. “There are lines one shouldn’t cross.”

People protest near the University of Tehran, Iran
People protest near the University of Tehran, Iran, Dec. 30, 2017, in this photo obtained from social media.

Earlier Saturday, hundreds of demonstrators took to the streets surrounding the University of Tehran, shouting slogans against the government and blocking traffic. Meanwhile, pro-government demonstrators massed around the university entrance and shouted “death to the seditionists.”

A prominent cleric, Ayatollah Mohsen Araki, told thousands of pro-government demonstrators in Tehran that “the enemy” wanted to use social media and economic issues to “foment a new sedition.”

Araki’s comments echoed an earlier statement by Senior Vice President Eshaq Jahangiri, who said Friday that some political factions were using the economy as an excuse to criticize the government.

State television broadcast images of the protests Saturday, something it rarely does, including acknowledging that some of the demonstrators were chanting the name of Iran’s last shah, who fled the country during the Islamic Revolution in 1979.

In this photo released by the office of President
FILE - In this photo released by the office of President Hassan Rouhani addresses the nation, in Tehran, Iran, Oct. 13, 2017. Rouhani spoke after U.S. President Donald Trump accused Iran of violating the spirit of the 2015 nuclear accord.

?Anti-Rouhani rhetoric

The chants were seen as a cry against President Hassan Rouhani, who won re-election in May with promises to revive the economy.

Iran’s 2015 nuclear deal is seen as Rouhani’s major achievement. The deal, made with the United States and five other world powers, curbed Iran’s nuclear activities in exchange for relief from international sanctions. But economic growth has not followed, and people are struggling to cope with the high cost of living.

Some protesters have also been heard chanting slogans against Iran’s foreign policies, including its support for the regime of Syrian President Bashar al-Assad.

Social media postings, many of which were unverifiable, said protests took place Saturday in cities including Tehran, Shahr-e Kord, Kermanshah and Zanjan. Reports said that in some cities protesters set government buildings and police vehicles on fire.

A social media video purporting to be from the city of Mashhad seemed to show protesters overturning a police car and setting police motorcycles on fire.

The semiofficial Mehr news agency posted videos purporting to show protesters attacking a town hall in central Tehran, overturning a police car, and burning the Iranian flag.

Amateur videos posted online appeared to show clashes at Tehran University, where police forces reportedly used tear gas to disperse protesters.

Protesters at the university chanted, “Seyed Ali [Khamenei] Shame On you. Leave The Country Alone,” according to a video sent to RFE/RL’s Radio Farda from the Iranian capital.

U.S. President Donald Trump denounced the Iranian government Saturday, tweeting excerpts from his September 19 speech to the U.N. General Assembly. He charged Rouhani’s government, and those before it, have long oppressed the Iranian people.

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The demonstrations this week were the largest since 2009, when pro-reform protests followed a disputed presidential election and months of unrest.

Three days of protests

Demonstrations were held in several cities and towns Thursday and Friday in protest against rising prices and the country’s high unemployment rate. Iran’s unemployment rate is 12.4 percent, its economy stagnant and inflation rampant.

Interior Minister Abdolrahman Rahmani Fazli on Saturday cautioned against more anti-government action.

“We urge all those who receive these calls to protest not to participate in these illegal gatherings as they will create problems for themselves and other citizens,” he said.

In a statement Friday, the U.S. State Department said, “Iran’s leaders have turned a wealthy country with a rich history and culture into an economically depleted rogue state, whose chief exports are violence, bloodshed and chaos.”

The State Department urged “all nations to publicly support the Iranian people and their demands for basic rights and an end to corruption.”

RFE/RL contributed to this report.