The curfew was imposed in Basra at 4:00 p.m. local time (13:00 GMT) on Saturday.
"The decision to lift the curfew was taken after the security forces from Baghdad had been deployed in the streets of Basra and also following the normalization of situation in the city," the source said.
Alsumaria broadcaster previously reported that while Iraqi authorities' tried several times to impose curfew in Basra in order to ease the situation, thousands of local citizens were leaving their houses every evening, and the protests showed no sign of fading.
READ MORE: Protesters in Basra, Iraq Reportedly Set Iranian Consulate on Fire (PHOTO)
The southern Iraqi city of Basra has been gripped in violent protests since Monday, with at least 10 people reported left dead and over 100 injured. The protesters, who call on the government to address the problem of electricity cuts and lack of safe drinking water, have set several governmental buildings on fire and blocked the country's major port of Um Qasr.