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BBC Radio London Travel on Twitter: "In Westminster, #Whitehall is closed between Trafalgar Square and Parliament Square for a police incident https://t.co/1tPKDK1Iqt" / Twitter
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Trafalgar Square in London, featuring the National Gallery and Nelsons Column, City of Westminster, United Kingdom Stock Photo - Alamy
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Empty Trafalgar Square during the coronavirus lockdown. London, United Kingdom February 2021 Stock Photo - Alamy
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