Australian FM: ISIS using chlorine as weapon"Use of chlorine by Islamic State has revealed more serious efforts in chemical weapons development," says Bishop.Chemical weapons disposal [file](photo credit: REUTERS)
![Chemical weapons disposal [file]](https://images.jpost.com/image/upload/f_auto,fl_lossy/q_auto/c_fill,g_faces:center,h_720,w_1280/254464 "Chemical weapons disposal [file]")