London District Cage
United Kingdom · built 1940
The London Cage was an MI19 prisoner-of-war facility during and after the Second World War to mainly interrogate captured Germans, including SS personnel and members of the Nazi Party. The unit, which was located within numbers 6, 7 and 8 Kensington Palace Gardens in London, was itself investigated following accusations that it often used torture to extract information. It was wound down in early 1948.
Prison data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).