Russia releases key findings on chemical attack near Aleppo indicating similarity with rebel-made weaponsRussia releases key findings on chemical attack near Aleppo indicating similarity with rebel-made weapons People injured in what the government said was a chemical weapons attack, breathe through oxygen masks as they are treated at a hospital in the Syrian city of Aleppo March 19, 2013 (Reuters / George Ourfalian) © Reuters Probes from Khan al-Assal show chemicals used in the March 19 attack did n
