Watch this space for the latest updates on the Islamic State. The Islamic State, sometimes referred to as ISIS (Islamic State of Iraq and Syria) and ISIL (Islamic State of Iraq and the Levant), gained prominence in 2014 after securing control of Iraqi cities, including Mosul. Designated a terrorist organization by the United Nations, the militant group follows a fundamentalist doctrine of Sunni Islam. The group remains active.

If Iran Falls, ISIS May Rise Again

The Islamic State has found only limited success in infiltrating Iran's Islamic Republic, but nationwide unrest could give ISIS a chance to exploit the grievances of separatist groups.