Syria’s five-year-old war is reaching a turning point. In the north and west, ISIS is on the back foot. Its territory is declining, as it is in Iraq.
But as with Iraq, the defeat of ISIS is likely to create new conflict over what comes next.
The north-eastern Syrian city of Aleppo has since 2012 been divided between the city’s west, held by the regime of beleaguered dictator Bashar al-Assad, and its east, held by a fractious coalition of predominantly Islamist rebel groups.