From May, 'In just a few short weeks, a newly-united rebel coalition has captured almost all of northwest Syria's Idlib province from government forces, overturning assumptions over the war's course, and threatening the regime's ability to defend its heartland...'

Following-up, "A New Kind of Bomb Is Being Used in Syria and It's a Humanitarian Nightmare."

Here's video from Vice, from earlier this year, "Jihadists vs. the Assad Regime: Syria's Rebel Advance."