A POLICE officer stood confused on the steps to the entrance of an office that was locked up tight. The front door of the building was barred with timber, as if it were an uninhabited house. Located in Queen's Gate Road, in the expensive district of Kensington in South London, this building is the Embassy of Jordan and its Iraqi Interests Section. "No one has been left behind in here," commented Sergeant Parker, who was guarding the place. "The