AMMAN, Sept1 (KUNA) - The so-called Islamic state of Iraq and the Levant, known as ISIL, used for the second time toxic gas bombs against the Syrian armed opposition in Halab city, Syria Mubasher (SLN) reported on Tuesday. It added that ISIL also used rocket-propelled grenades and Grad rockets Loaded with toxic gases over Syrian opposition locations in Mare' district northern Syria after clash between the two.(end) tk.fs.nfm