On February 18, the media department of the Syrian Arab Army (SAA) announced that the SAA had discovered a network of ISIS tunnels in the neighborhood Tishreen of Sabikhan town in the southeastern Deir Ezzor countryside. According to the SAA, the tunnels included several hideouts and small ammo depots.
The SAA uncovered a similar tunnels network of ISIS in the city of al-Mayadin, 20km north of Sabikhan, on February 15. One of the network’s tunnels was 500 meters long, according to the SAA’s media department.