On Nov. 24, the Assad regime & #Russia falsely accused the opposition & extremist groups of conducting a chlorine attack in northwestern Aleppo. U.S. strongly refutes this narrative & has credible info. pro-regime forces likely used teargas against civilians in Aleppo on Nov. 24. pic.twitter.com/Avz6vKYUz0

— Department of State (@StateDept) December 7, 2018