14 January 2017, 14:27 GMT
BEIRUT (Sputnik) — The fighting reportedly took place 45 kilometers southeast of the city of Deir ez-Zor. Militants, who were nationals of Saudi Arabia and Tunisia, were among those eliminated.
The Syrian army also destroyed three Daesh positions with ammunition deports.
Deir ez-Zor, which is still held by Syrian government forces, has been under Daesh's siege since July 2014.