The ISIL terrorists tried to break into the army lines in the vicinity of Deir Ezzur military airport, but were pushed back.

At least 50 Takfiri terrorists (so -called Islamic State, ISIL, IS, Daesh) were killed and dozens more were injured in heavy clashes with the Syrian government troops.

The ISIL's armored and military vehicles were also completely damaged in a counter-offensive of the Syrian army near Deir Ezzur airbase.

In a relevant development earlier on Sunday, the ISIL sustained heavy losses in the Syrian airstrikes in Tal Kroum (hill of Kroum) near Deir Ezzur military airport.

The Takfiri terrorists' military vehicles equipped with heavy machineguns were destroyed in Syrian airstrikes, FNA reports.

Meantime, the ISIL's military positions and gathering centers in the village of al-Mura'yeh were razed down in the Syrian airstrikes.

The ISIL's armored and military vehicles equipped with heavy machineguns were also destroyed in the Syrian fighter jets' raids.

In the city of Deir Ezzur, the battlefield sources confirmed that an army unit destroyed the ISIL's gathering centers in Al-Roshdiyeh neighborhood.

The Syrian warplanes also destroyed the ISIL's gathering centers in al-Sina'ah (Industrial) Area, al-Orfi, Souq al-Hab and al-Kanamt neighborhood in Deir Ezzur.

In Eastern Deir Ezzur, the Syrian army pounded and destroyed the ISIL's military positions and gathering centers in al-Jafrah village.

12