Mandatory Credit: Photo by Tom Nicholson/LNP/REX/Shutterstock (9968412j) British Prime Minister Theresa May arrives for a Service at St Margaret's Church, Westminster to mark the Centenary of the end of the First World War. Parliamentarians from the House of Commons and House of Lords gathered to remember the sacrifices of those parliamentarians, parliamentary officers and staff who gave their lives during the First World War, or who were injured. Parliamentary armistice service, Westminster, London, UK - 06 Nov 2018