“The Iraqi government declared victory against the extremist Islamic State group in Mosul this month, and that was cause for major celebration. But the extremists are far from eradicated in Iraq. Several strongholds remain. And the battle to push the so-called Islamic State, or ISIS, out of these places will be more complicated than the previous, straightforward fights have been in places like Fallujah and Tikrit.”
Source: Where ISIS In Iraq Will Make Its Last Stand—or Its Comeback