Officers on board one of the Metropolitan police's helicopters has taken these stunning pictures of London today as parts of the UK are hit by fog:
Those who thought the last image was Canary Wharf are wrong (it looks like this...) http://t.co/i7u7x0BIkp
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A shock to the system
We found a tableau of desperation; vast crowds of people pushing and shoving their way forward, away from the continuing bombardment.
Cambridge Analytica played a key role in mapping behaviour of voters in the US election and was used during the EU referendum campaign.