UN: Assad attack on rebels could be worst humanitarian catastrophe of the century September 13, 2018As Syrian rebels brace for a massive regime onslaught in their last holdout in the Idlib province and amid fears that Assad’s forces will once again use chemical weapons, the UN warns it could be the most dangerous humanitarian catastrophe of the century. Dr. Shajul Islam of the Idlib hospital gives his perspective on the situation. AssadChemical weaponsIdlibSyrian Civil War