In April 2014, ISIL returned and launched a large-scale offensive which resulted in total defeat of the other rebel groups and ISIL gained control of almost the entire Deir ez-Zor Governorate.
ISIL returned. This was in April 2014. ISIL launched a large-scale offensive. This was in April 2014. This scale offensive resulted in total defeat of the other rebel groups. ISIL gained control of almost the entire Deir ez-Zor Governorate. This was in April 2014.