© Licensed to London News Pictures. 20/10/2018. LONDON, UK. A Nigel Farage mask wearer meets a police officer.  Thousands of people take part in a demonstration, organised by the People's Vote campaign, beginning with a march from Park Lane to a rally in Parliament Square.  The People's Vote seeks a referendum on the outcome of the final Brexit negotiations ahead of 29 March 2019, the date that the UK is due to leave the EU.  Photo credit: Stephen Chung/LNP
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