A team of firefighters sawed their way into a limousine in Covent Garden this lunchtime as part of a demonstration. It was part of a Transport for London campaign to highlight the dangers of illegal limousines in London.
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British Transport Police confirmed the trio have been charged with obstructing trains or carriages on the railway by an unlawful act.
The white hedgehogs were found huddled up in a cardboard box with newspaper and a fleece.
The demonstration, dubbed #OperationShutdown, saw supporters initially gather near Downing Street.