An image from Shayrat airbase shows containers which appear to be Russian chemical weapons storage cases

Image two is slightly higher definition, and shows holes drilled in the cylinders. Whether these containers are part of the Sarin storage at Shayhrat or not, the fact Russians were based at the site demonstrates they knew assads Sarin was not completely removed/destroyed in the UK, as they had guaranteed. ---------------------- Images three and four are for comparison.

Abdul Hamid Youssef prepares to bury his infant twins who were poisoned in Kahn Shaykhoun, by the chemical terrorist assad

An image of a container of VX nerve agent

VX is tasteless and odourless, and physical contact with just ten milligrams will prove fatal https://en.wikipedia.org/wiki/VX_(nerve_agent)