The Syrian warplanes hit hard the ISIL terrorists' gathering centers in the surrounding areas of Regiment 137 and Al-Arfi neighborhood some 7.4 kilometers to the North of Deir Ezzur Airbase, inflicting heavy losses on the militants; FNA reported.

Meantime, the Syrian army units targeted and destroyed the terrorists' military positions in the surrounding areas of Deir Ezzur Airbase on Friday.

On Thursday, the Syrian army forces, using missile and artillery fire, clashed with the ISIL terrorists in Deir Ezzur city, killing and wounding dozens of militants.

"The clashes erupted in the district of Roshdiyeh in Deir Ezzur city, where the two sides used different light and heavy weapons," a field source said.

"The army targeted the terrorists' positions and gathering centers in Roshdiyeh," the source said, adding that tens of militants were killed in the army's artillery and missile fire.

On Tuesday, the Syrian army troops hit ISIL's gatherings and sites hard in the Southern and Southwestern countryside of Deir Ezzur city.

Syrian army soldiers engaged in fierce clashes with ISIL along the Eastern wall of Deir Ezzur airbase, where the Takfiri group suffered a heavy death toll and its military hardware sustained major damage.

In the meantime, Syrian military forces attacked ISIL's site in Panorama region, killing and wounding several terrorists.

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