unidentified warplanes kill 21 members from the “Islamic State” organization, including 15 “immigrants” in targeting their headquarters northwest of Deir Ezzor city

Deir Ezzor Province:
The activists of the Syrian Observatory for Human Rights were informed that at least 21 members from the “Islamic State” organization were killed in bombing by unidentified warplanes, which targeted their headquarters near the paper factory in Husseiniya area northwest of Deir Ezzor city, including at least 15 non-Syrian members, the activists of the observatory also monitored the “Islamic State” organization burying the 15 members in a park in al-Hamidiyyeh neighborhood in Deir Ezzor city.