Local sources confirmed that members of "ISIS" organization launched a large-scale attack on the positions of the Palestinian "Liwa al-Quds" militia in Musarab desert, southwest of Deir Ezzor.

Mashreq Media network stated that the armed attack killed 7 members of "Liwa al-Quds" militia and the 17th Division of the regime forces in Al-Musarab desert in the western Deir Ezzor countryside.

According to the Syrian event, she indicated that the attack also coincided with violent clashes between the "National Defense" militia and "Liwa al-Quds" militia on the one hand, and elements of "ISIS" organization on the other, in Jabal al-Bishri area southwest of Deir Ezzor.