Police investigating the death of MI6 worker Gareth Williams have appealed for help in tracing two people seen entering his central London flat.
Mr William’s body was found in bag in the bathroom of his Pimlico flat by police on 23 August.
Detectives have also issued images of Mr Williams, who was last seen on CCTV on 15 August.
A post-mortem examination established no obvious cause of death. Forensic tests at the flat continue.
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