"Syrian Democratic Forces initiated ground operations for phase 3 of Operation Roundup. It will be supported by #Coalition cross-border air & artillery strikes to #defeatISIS remnants from northeastern Syria, along the Middle Euphrates River Valley toward the Syria-Iraq border," the coalition tweeted.
Earlier, Russia's Defense Ministry has warned Western countries about terrorists in Idlib staging provocations with the use of chemical weapons. Moscow has provided the underlying proof for that to the UN and OPCW.
Russia believes the militants will try to accuse Damascus of committing a false flag attack in order to force the West to launch airstrikes against Syrian forces.
*Daesh (also known as ISIS/ISIL/IS) is a terrorist organization banned in Russia and many other countries.