Nicola Morgan MP described to ITV News how she heard an "almighty bang" and saw "clouds of thick black smoke" as she walked towards Vauxhall tube station.
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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.
A shock to the system