As a crucial Brexit battle comes to a head in British parliament on Wednesday, MPs are weighing up not just their own views but also their personal safety amid an increasingly toxic public debate.
The United Kingdom of Great Britain and Northern Ireland is a sovereign state in northern Europe which includes England, Wales, Scotland and Northern Ireland. It is governed under a constitutional monarchy and a democratic parliamentary system made up of two houses; an elected House of Commons and an appointed House of Lords. It has a population of more than 62 million and has the world's seventh-largest economy by nominal GDP. It is predominantly a Christian country, although successive waves of migration have contributed to the growth of other faiths. It is a member of the European Union as well as the Commonwealth of Nations, the Council of Europe, G7, G8, G20, NATO, the Organisation for Economic Co-operation and Development (OECD) and the World Trade Organization.