Since the fall of the so-called Islamic State in Syria, Kurdish-run prisons have held about 8,000 suspected IS fighters and about 34,000 of their family members in camps.
But instability in the region is growing as the central government in Damascus seeks to expand its control over much of Syria, including the autonomous Kurdish region in the northeast.
Over the past two weeks, government forces have driven out the Kurdish-led Syrian Democratic Forces (SDF) from the resource-rich region a decade after defeating IS.
If this area becomes a battlefield, will the gates remain locked? The BBC’s Orla Guerin visited Rozi, a camp holding the wives and children of suspected IS fighters near the border between Turkey and Iraq.
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