In a written statement, the SDF Press Center said that three ISIS mercenaries were caught in an operation carried out against ISIS mercenries in Deir Ez-Zor on 10 December.

The statement said: "Three mercenaries were captured in the operation carried out by our security forces against ISIS mercenaries in Deir Ez-Zor on 10 December."

The statement named the three mercenaries as: Ziyad Subhî Al-Emîn Ebû El-Qeqqa El-Qureyşi, Mihemed Mohsen El-Satam (Codename El-Atras) said to be Faris Musa El-Salbi.