One person has been arrested after a car hit the main gates of Downing Street.
Police said there were no injuries.
Pictures broadcast on television showed cordons in place along Whitehall.
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“At around 4.20hrs a car collided with the gates of Downing Street on Whitehall,” Metropolitan Police said in a statement.
“Armed officers arrested a man at the scene on suspicion of criminal damage and dangerous driving.
“There are no reports of any injuries.”
