I think that it classifies as a WMD...does it not???
The evidence has suggested that the entire Presidency of one George W. Bush has been a WMD.
Yes, the use of chlorine gas constitutes a War Crime, a Crime Against Humanity, and a gas bomb is a Weapon of Mass Destruction (WMD).
Will the attacks be reported by CNN or NYT or at the UN as such? No!
It's just chlorine.