Jenny Reeves (@Jennyflyer1) was one of the first to post a picture on Twitter.
And Transport for London sounded the all-clear after the "invasion" had been averted.
The filming of Doctor Who has finished at Westminster Bridge, the Daleks are in the process of being removed.
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Hundreds of opponents to a third Heathrow runway have gathered outside the Palace of Westminster.
Elizabeth Hurley told ITV News it was vital for those who survive the disease to continue to be supported after their recovery.
The mother of Shane Virami are taking Thomas Cook and a friend of his to court over his death.