The protesters then stormed the parliament, according to Iraqi State News agency. Videos circulating on social media appeared to show people waving the Iraqi flag walking past security through the doors of parliament.
At least 60 people have been taken to hospitals after being injured during the clashes, according to the country’s Ministry of Health.
Outgoing Prime Minister Mustafa Al-Kadhimi, who is currently Commander in Chief of the Armed Forces, has called for peace and for demonstrators “not to escalate the situation.”
In a statement Saturday, he asked protesters to abide by the orders of security forces and stressed security forces “have a duty to protect official institutions and emphasized the need to take all legal measures to maintain order.”
The protests began after Mohammed Shiya al-Sudani was formally nominated to lead the country on Monday by the Coordination Framework, the largest Shiite alliance in the Iraqi parliament.
His nomination followed the mass resignation of al-Sadr’s parliamentary bloc, a group of over 70 lawmakers who withdrew from the governing body last month in an apparent show of force after months of political stalemate.
“If the Sadrist bloc remaining [in parliament] is an obstacle to government formation, then all lawmakers of the bloc are honorably ready to resign from parliament,” Sadr said in a televised speech in June.
The cleric, who positions himself as against both Iran and the United States, is immensely popular. His bloc’s success in the October vote threatened to sideline Iran-aligned Shiite blocs that have long dominated the oil-rich country’s politics.
On Wednesday, al-Sadr told protesters at the parliament building that their “message” had been received and that they should return home.
“A revolution of reform and rejection of injustice and corruption. Your message has been received. You have terrified the corrupt. Pray, and return home safely,” he tweeted.
The outgoing government of Prime Minister al-Kadhimi also issued a statement calling on the Sadrist protesters to “to immediately withdraw from the Green Zone,” preserve public and private properties and to abide by the instructions of the security forces.
“The security forces will be committed to protecting state institutions and international missions, and preventing any disturbance of security and order,” al-Kadhimi added.