The Najaf police command announced on Wednesday a curfew in the province until further notice, in light of the incidents taking place in Najaf.
Iraqi protesters angry at Iranian interference in the Iraqi affairs set fire to the Iranian consulate in the southern Iraqi city on Wednesday night, AFP journalists reported.
Twitter and social media users have circulated footage showing the building of the consulate burning.
Since October 1, Iraqi people have been demonstrating to protest political and financial corruption, where they called for a regime change.