Another article may interest you? "The attack on the urban area of Aleppo was the latest in a pattern of chemical attacks in Syria carried out by President Bashar al-Assad’s regime in territory held by armed opposition groups in the weeks and months before the partial ceasefire negotiated by the U.S. and Russia, which went into effect on Sept. 12." TIME http://time.com/4492670/syria-chemical-weapon-aleppo-assad-regime/
Published by Yoshimi Yoshida, Environmental Consultant
Another article may interest you?
"The attack on the urban area of Aleppo was the latest in a pattern of chemical attacks in Syria carried out by President Bashar al-Assad’s regime in territory held by armed opposition groups in the weeks and months before the partial ceasefire negotiated by the U.S. and Russia, which went into effect on Sept. 12." TIME
http://time.com/4492670/syria-chemical-weapon-aleppo-assad-regime/