According to Lorestan Provinces intelligence office, the MKO-affiliated terrorists were identified and arrested in the city of Borujerd on Friday.
It added that four members of the terrorist cell have been arrested through intelligence operations and one of them has been injured in clashes.
The terrorists have been involved in many acts of sabotage in Lorestan, particularly in Borujerd, over recent days.
Last week, a number ofprotests over economic problems broke out in several Iranian cities, but the gatherings turned violent when groups of participants, some of them armed, vandalized public property and launched attacks on police stations and government buildings.
Over a dozen people have been killed in the ensuing violence in Iran, according to state media reports.
Iran's Intelligence Ministry said in a statement on Thursday that Iranian security forces have dismantled a terrorist group and arrested its members in the countrys northwestern province of West Azarbaijan.
PressTV-Iranian forces dismantle terror group in northwest
The Intelligence Ministry says security forces have dismantled a terrorist group in the northwestern province of West Azarbaijan.
According to the statement, the terrorist group which had infiltrated into Iran with the aim of fueling the recent unrest were put under surveillance in the city of Piranshahr.
In a statement on Monday, Iran's Intelligence Ministry said it has identified and arrested some of the agents behind riots, which followed the recent protests against economic conditions.
PressTV-Iran arrests several agents behind riots
Iran's Intelligence Ministry says it has identified and arrested some of the agents behind the recent protests in the country.
It added that some of the peaceful gatherings held in recent days in order to express public demands had turned violent "due to the presence of suspicious and aggressive elements" who damaged public property and caused casualties.
