Syrian forces
At least 33 Syrian forces were killed in clashes with the terrorist Daesh group in Deir ez-Zor city over the past two days.
Samples from an attack by Syrian forces in March on an opposition-held town tested positive for sarin in an examination by the global chemical weapons watchdog.
Fierce clashes broke out between the Syrian forces and elements of Daesh terrorist group in Deir ez-Zor city.