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The severity of the deadly snowstorm that has battered Britain has been encapsulated in a breathtaking picture showing a snowstorm looming on the horizon.
The huge snow cloud could be seen sweeping across London this afternoon, looking as if it is swallowing up the buildings as it passed.
Some of the city's iconic landmarks - including the shard - were completely lost in the huge white cloud, not dissimilar to a cloud bomb from an explosion.
The National Police Air Service for London posted the image on its Twitter page after appearing to have gone out in one of its helicopters.