Exclusive Channel 4 News interview with the Russian Foreign Minister Sergei Lavrov. He accuses Britain of 'extermination of the evidence' in the Skripal poisoning and of 'all kinds of tricks' to change the rules of the OPCW. (Click to subscribe for more Channel 4 News videos. He described that as a 'violation' of the chemical weapons convention and said that if the OPCW was not repaired 'the days of the OPCW would be counted, at least it would not remain as a universal organisation'
Hide player controls
Hide resume playing