Six tents that were put up outside the London Stock Exchange earlier have been removed by Police.
Officers told demonstrators from Occupy London that they had thirty minutes to leave the area in Paternoster Square.
Dozens of people gathered there after a day of May Day protests in the capital.
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Six fire engines and 35 firefighters are fighting a fire in a storage unit near Heathrow Airport.
A woman was taken to hospital by air ambulance after falling from one of Trafalgar Square's famous lion sculptures.
Police are appealing for help in tracing a family of six who are feared to be travelling to Syria.