fence. and they say that also makes it a more dangerous situation for the soldiers. so, you know, this is a ttactic that we've seen evolved, likely to see next week as well. and during the course of this last week, we saw them gathering thousands of tires from across the gaza strip to light them on fire to create these smoke screens. definitely something that they believe is effective. and again, probably see it again over the course of the next five weeks. >> ian lee following it all live for us in jerusalem. thank you for the reporting. now to syria, pro government forces there are getting closer and closer to seizing all of eastern ghouta. they have reportedly launched an assault on duma, the latest rebel held area. aid and monitoring groups say air strikes and shelling killed dozens on friday. rescue volunteers from the white helmets say at least 35 of the dead were civilians. state media report rebel shelling also killed four people