A group of climate change protesters have scaled the gates of Buckingham palace and chained themselves to the railings.
Four campaigners from a group called Climate Siren locked themselves to the gates just after 2 pm.
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The property developer painted the mews house in March last year after she was denied permission for a basement below the property.
Profits at the estate agent plummeted 42% in the first half of the year.
Ionut Gheorghe, 27, was detained in Los Molinos near Madrid on Friday by Spanish police under a European Arrest Warrant.