Daisy McAndrew, who is stranded on a plane at Gatwick, said passengers had been "given no indication" of how long it would take to solve the air traffic control problem.
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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.