Helicopter crashed in Deir Ezzor airbase, crew killed

Deir Ezzor Province:
The Syrian Observatory for Human Rights learned that a helicopter belongs to the regime forces dropped in Deir Ezzor airbase while flying over the area, which killed the crew, it is not known yet whether the cause of the fall was technical fault or it was targeted by members from the “Islamic State” stationed in the vicinity of the airbase.