According to the source, Maysar al-Kalizi and Anas al-Abdon were executed by ISIS security forces.

The ISIL has executed a large number Syrian and Iraqi citizens for not joining the group and also over spying charges. The Takfiri militant group has also killed its senior commanders, security forces and fighters in Syria and Iraq for various reasons, including fleeing the war fronts.

Late in August, the ISIL terrorist group had also executed one of the most notorious security commanders in al-Sho'eitat region of Deir Ezzor.

Va'el Kassb al-Quweider, known as the right hand of senior commander of ISIL in Deir Ezzor Jafar al-Khalifeh, was killed by the group's security forces in the village of al-Kashkiyeh.

"Al-Quweider was notorious among the region's civilian for his atrocities against innocent people while occupation of villages of al-Sho'eitat region in 2014," local sources said, adding, "There is no news about the cause of his execution," FNA reported.

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