He added that around 75 - 80 % of the attacking force consisted of Arab fighters , with the rest being Kurds .
An anti-ISIL coalition spokesman announced that the advance had cut off the highway linking the Aleppo , Deir ez - Zor , and Raqqa Governorates .
coalition spokesman added that around 75 - 80 % of the attacking force consisted of Arab fighters , with the rest being Kurds .
An anti-ISIL coalition spokesman announced that the advance had cut off the highway linking the Aleppo , Deir ez - Zor , and Raqqa Governorates .