► Read more at https://on.ft.com/2NqODPv
The Novichok nerve agents were developed in the former Soviet Union in the 1970s and banned under the 1997 Chemical Weapons Convention
► Subscribe to FT.com here: http://bit.ly/2GakujT
► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs
For more video content from the Financial Times, visit http://www.FT.com/video
Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes