Anna Soubry, Member of Parliament, addressing the 'People's Vote' march in Parliament Square, London. The People's Vote march took place in London on 23 March 2019 as part of a series of demonstrations to protest against Brexit, call for a new referendum, and ask the British Government to revoke Article 50. It brought to the capital hundreds of thousands of protestors, or over a million people according to the organizers. Anna Soubry is a British politician, barrister and journalist. She has been the Member of Parliament (MP) for Broxtowe in Nottinghamshire since the 2010 general election, and was first elected as a Conservative before leaving the party to join The Independent Group in February 2019.