Islamic State fighters surrounding a key oil refinery are withdrawing from their positions, potentially ending a months-long siege.
It was unclear whether the recording was made after airstrikes last week that targeted the militant chief.
Iraqi troops have claimed victory in the strategic city of Baiji, but deadly clashes continue in the area.
Iraqi officials say the group’s leader was injured in a different strike Saturday.
American aircraft have targeted a gathering of Islamic State leaders in northern Iraq, officials said.
The group is cracking down on what it views as a rebellion, raising fears that the detainees will be killed.
Disillusionment in Egypt after 2011 led to religious radicalization, and a death in Iraq.
Security was high during a major religious commemoration; in Saudi Arabia, 5 Shiites were fatally shot.
Decree allows military prosecution for crimes including destroying public property and blocking roads.
A rise in the number of amputees only means more victims to grapple with the stigma of being disabled.