To ask the Secretary of State for the Home Department on what date (a) the police first reported the discovery of traces of ricin in the London flat used by Kamel Bourgass and his associates and (b) Porton Down chemical and biological weapons research centre first indicated that there was no ricin in the flat; and if he will make a statement.
An initial test conducted by Dstl Porton Down on
Ricin was identified and confirmed by Dstl on
The Prosecuting Counsel (Mr. Sweeney QC), Crown Prosecution Service, was verbally informed of the ricin test result at a case conference on
Further tests on the first exhibit on 27–