Facebook Twitter Pinterest Police have sealed off the grave of Liudmila Skripal and her son in Salisbury. Show Hide Nerve agents are not hard to make in principle, but in practice it takes specialised facilities and training to mix the substances safely. The main five nerve agents are tabun, which is the easiest to make, sarin, soman, GF and VX. All pure nerve agents are colourless organophosphorus liquids which, after they were discovered to be highly poisonous in the 1930s, became the dominant chemical weapons of the second world war. The Salisbury attack left Skripal and his daughter in a comatose condition last Sunday afternoon, on a bench in the Maltings shopping centre.

Source: The Guardian March 08, 2018 19:44 UTC