Investigators also detail August 15 chemical allegations . ( CNN ) -- ` ` All signs point to Assad , '' Syrian officials says . A U.N. special adviser briefs the Security Council on lingering chemical weapons . Syria has identified chemical weapons facilities it did n't previously disclose .
Investigators also detail August 15 chemical allegations . ` ` All signs point to Assad , '' Syrian officials says . A U.N. special adviser briefs the Security Council on lingering chemical weapons . Syria has identified chemical weapons facilities it did n't previously disclose .