File:C71kGtqXkAEuWWH.jpg

Image from series published by

https://twitter.com/markito0171/status/845944104387330048 on or before 26 Mar 2017 and described as

"#Syria #WhiteHelmets with equipment in underground headquarter. 2 airstrikes with Chlorine gas on Al-Latamneh Hospital in northern #Hama"

TNA refers to TNA TV so there will be a video somewhere showing far more detail.