Islamic State crisis: The struggle for Mount Sinjar
Kurdish Peshmerga forces in northern Iraq are claiming their biggest victory yet against Islamic State (IS) militants.
They say they have broken the siege of Mount Sinjar, where tens of thousands of members of the Yazidi religious minority were trapped in August.
The BBC explains the area's significance - in 90 seconds.
Video produced by Michael Hirst
19 Dec 2014
- From the section Middle East