Deir ez-Zor

The Islamic State and the Levant (ISIL) militants attacked Syrian army troops with mustard gas in an offensive against a Syrian military airport in the eastern province of Deir ez-Zor that borders Iraq, state media said on late April 4. 

Russia said Feb. 11 it was ready to discuss a ceasefire in Syria as foreign ministers gathered in Munich in a bid to kick-start peace talks derailed by the regime onslaught on the besieged city of Aleppo.  

Islamic State militants have reportedly slaughtered up to 280 people in the Deir ez-Zor province for alleged cooperation with the Syrian troops.

Local residents told Sputnik news agency the killings carried out in al-Bagilya settlement which received Russian airlifted aid earlier.

Russian Defense Ministry Spokesman Igor Konashenkov said Russian Aerospace Forces have destroyed 6 oil refineries controlled by terrorists in the Syrian provinces of Deir ez-Zor and Aleppo over the past two days .