Security officials discover a hidden camera in the ceiling of a Whitehall government building in London, prompting concerns about possible spying, according to multiple reports. The device is found by staff working at Marsham Street in Victoria, an office complex that houses UK government departments, including the Home Office and the Ministry of Housing, Communities and Local Government (MHCLG). The reports describe the finding as occurring in a sensitive area within the government estate, leading to attention around security procedures and potential unauthorized surveillance. While media coverage frames the incident as raising spying fears, the sources provided do not include confirmed details about who installed the camera, the timeframe of operation, or whether any data was accessed. The reports focus on the location of discovery and the involvement of government security officials, rather than providing further investigative findings. No additional confirmed information is included in the articles supplied here regarding any arrests, specific technical findings, or official conclusions.