A police officer stands on duty outside outside the Supreme Court ahead of the challenge against a court ruling that Theresa May's government requires parliamentary approval to start the process of ... more 
A police officer stands on duty outside outside the Supreme Court ahead of the challenge against a court ruling that Theresa May's government requires parliamentary approval to start the process of leaving the European Union, in Parliament Square, central London, Britain December 5, 2016. REUTERS/Toby Melville less 
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Reuters | Photo By TOBY MELVILLE / REUTERS
Mon, Dec 5, 2016 3:23 AM EST