Two Iranian anti-government protesters have been killed, after three straight days of demonstrations against economic unrest and the Islamic regime.
One official has confirmed the deaths of two protesters in Dorud in western Iran.
Sunday was the fourth day of protests in Iran that reportedly started against rising food and gasoline prices, according to CNN.
More than 400 people have been arrested across the country. Mehr also reported that two protesters died in Dorud on Saturday.
Khademi said the cause of deaths in Izeh wasn't immediately known.
Izeh is about 280 miles southwest of Iran's capital Tehran.
"We have no information yet whether it was protesters or the police that fired yesterday [Sunday] and the issue is under investigation", the report quoted him as saying.
Another Arctic blast ahead of for the New Year
It's important to note that significant adjustments may be necessary with this forecast for both temperatures and precipitation. This will be some of the coldest conditions we've seen for our area in a while, so make sure you have that warm gear ready.
Israel's Intelligence Minister Yisrael Katz said on Sunday that Iran's "murderous regime", which has repeatedly threatened to wipe Israel off the map, will "disappear", while Israel will "exist forever". These protests are nowhere near as large as the ones in 2009, but they are spreading day by day.
And he accused the authorities of "squandering the nation's wealth to fund terrorism abroad".
That improvement has reached the average Iranian, however unemployment remains high.
In his remarks Mr Rouhani acknowledged popular grievances, though he warned that the government would show "no tolerance for those who damage public properties, violate public order and create unrest in the society".
Mohatari also said that public demonstrations were allowed in Iran's constitution - provided they are not contradictory to Islamic rules and weapons are not used - and that authorities should prepare an appropriate environment for the people to express their objections.
Mass demonstrations - referred to as the Green Movement - were held by millions of opposition supporters against the disputed election victory of incumbent president Mahmoud Ahmadinejad.