TEHRAN, Young Journalists Club(YJC)_Port officials, security and oil sources said that the Umm Qasr commodities port near Basra, and the Nassiriya oil refinery in Dhi Qar province, resumed operations on Thursday, Reuters reported.
The sources did not immediately say why or how the protesters had left the zones.
Operations at the Umm Qasr commodities port have been at a complete standstill since last Wednesday, after protesters first blocked its entrance a day earlier.
Safa al-Hussein, manager of Iraq's state-owned ports company, said that all terminals in the port were operating normally in the early hours of Thursday.
According to the Iraqi government, the blocking of Umm Qasr, which receives a vast bulk of imports of grain, vegetable oils and sugar shipments that feed a country heavily dependent on imported food, has cost Iraq more than $6 billion.
Demonstrators also prevented tankers from entering or leaving Nassiriya oil refinery on Wednesday, causing shortages in the south. According to oil sources, the refinery had recently been producing around half its capacity.
The protests are part of a movement that has brought tens of thousands of Iraqis to the streets to demonstrate against corruption and the poor state of public services.
The protests, which began more than a month ago, have often turned violent, with Iraqi security forces opening fire and protesters torching government buildings.