Rabia, mourns by the grave of her son who killed during clashes with Islamic State in Kobani

Rabia Mustafa Ali, 67, mourns by the grave of her son Seydo Mehmud Cumo, 44, a People's Protection Unit (YPG) fighter who killed during clashes with Islamic State in Kobani, at a cemetery in the southeastern town of Suruc, Sanliurfa province,