They are the US-led coalition's main ally in the fight against Isis, but as Turkey keeps bombing them, the sense of betrayal is growing.
At least 300 women from the minority sect are estimated to remain inside the city.
The West must turn to the world's "forgotten crisis" - before it becomes too big to forget.
The Syrian catastrophe has created the worst humanitarian crisis since the end of the Second World War. And the world watches helplessly as Putin and Assad commit war crimes.
The French's philosopher's documentary, Peshmerga, followed the Kurds fighting Islamic State in northern Iraq. Now, he and his team are back in Iraqi Kurdistan.
After Nahed Hattar was shot dead, moderates fear new laws against hate speech could further limit freedom of media and expression.
Amid the battles, a generation starves.
The militant group's grip on power is slipping but it has proved resilient in the past.
The loss of a tiny Syrian town is a bitter blow for the fanatic militants.
An estimated 600,000 children are trapped in the city.
The foreign secretary has been accused of "Russophobic hysteria" by Moscow.
For illuminating stories on global events,
subscribe now from just £1 an issue