Emergency Services are currently on the scene of an explosion in Portman Square in Central London.
London Fire Brigade have confirmed the explosion has occurred within the basement of the Churchill Hotel.
Eye witnesses tell police hour that the scene is of complete chaos.
London Ambulance Service has confirmed to Police Hour that 12 people have been injured however these are non-life threatening injuries.
The hotel has now been evacuated and will now be subjected to a fire investigation.
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