The progress came after the troops advanced toward the airbase, which had been besieged by IS along with the city for three years, Xinhua reported citing SANA agency as saying.
The troops, which broke the IS siege on the city earlier this week, reached the airbase and met with the besieged soldiers inside it.
Capturing the airbase is a strategic win for the army in its quest to drive IS out of Deir al-Zour and its countryside.
When the base was besieged, the soldiers could not fly warplanes as IS would target them.
Now, the base is expected to return to operation after the army has cleansed the vicinity of the airbase.
A Syrian officer told Xinhua by phone that IS was collapsing in Deir al-Zour.
Syrian Foreign Ministry said the war on IS is close to the end given heavy defeats the terror group is suffering.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.