Intelligence sources say that local militants do not trust the foreign ones, accusing them of spying for Syrian forces which has closed in on the group's stronghold of Raqqa and controlled all roads leading to the city. 

The ISIS organization therefore has recently executed a large number of its foreign militants including leaders. 

These intra-ISIS tensions suggest that the organization is on the verge of defeat, particularly after the Syrian forces managed to isolate Raqqa and began preparations to storm it.

abna24.com