ISIL fighters stationed at Tabqa Airbase were reported to have withdrawn northward , to Tabqa city .
They later announced that they had completely captured the Al - Tabqa Airbase , following a 24 - hour battle .
ISIL fighters stationed at Al - Tabqa Airbase   were reported to have withdrawn northward , to Tabqa city .
They later announced that they had completely captured the Al - Tabqa Airbase , following a 24 - hour battle .