Several protesters were wounded during a clash with security forces in Basra.
At least nine people were killed, and more than six were wounded in recent violence:
A mortar attack on Umm Qasir left two people dead and a child with injuries.
Three militiamen were wounded during an attack in Khanaqin.
In Baghdad, a grenade wounded two people.
Five militants were killed near the Syrian border at Traifawi.
At Ain al-Jahsh, two militants were killed in a tunnel.