A delegation of Union of Soviet Socialist Republics (USSR) scientists and military officers visit Britain’s secret chemical defence labs at Porton Down.
Report shows soldiers operating nerve gas warning device.
Soldiers de-fumigating tank.
To camera Leo Enright.
Interview with Victor Orlik, Editor, Soviet Weekly.
Corpses lying in streets of Halabja, Iraq, after a chemical attack in March 1988.
The reporter is Leo Enright.
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