From a website I have not cited for awhile:
The regime has almost cleared the Damascus suburbs, held by the opposition since 2012. It has been attacking Tishreen, and Jaish al-Islam still has its base of Douma despite intense aerial and artillery assaults.
There is a clip of 'industrial hose bombs', which sound like a variation on minefield clearing tubes.

Link:http://eaworldview.com/2017/05/syria...near-damascus/