The Syrian forces killed the ISIS militants who were trying to attack an air base in the countryside of Deir al-Zour .

The army forces also killed tens of IS militants in the towns of Nasib Daghim, Zira', and Hwaijet Muraiyeh in Deir al-Zour, near the Iraqi borders, according to SANA news agency.

The IS has repeatedly attempted to storm the Deir al-Zour airbase, as it is considered as a main bastion for the Syrian army.

Last week, the Nusra Front announced the start of the second phase of the battle for Aleppo, aimed at regaining control of the areas that have been recaptured by the Syrian army.

In turn, the government forces started an offensive against the main Nusra strongholds in Aleppo. Over the weekend, the Syrian Army, supported by popular forces, advanced in the area, leaving dozens of the terrorists dead or wounded.

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