VIDEO: Coalition of Syrian Armed Groups Attacked Aleppo by Chemical Agent

The Kurdish militia group YPG believe that a coalition of armed opposition groups, which includes Ahrar ash-Sham, al-Jabha al-Shameea, Brigade of Sultan Myrad, Sultan Faith Battalions, Fa Istaqim Kama Omirt Batallions, Nour ad-Deen Zinki Battalions, 13th Brigade, al-Fau al-Oal (the first regiment), 166th Battalion, and Abu Omara Battalions, was responsible for the chemical attack on the Sheikh Maqsood neighborhood in the Syrian city of Aleppo on Tuesday.