An investigation is under way into an alleged break-in at the Houses of Parliament.
The Metropolitan Police received reports of a forced entry to an office in the Palace of Westminster just before 7pm yesterday.
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The operation carried out by Westminster City Council led to the seizure of £8,000 worth of cigarettes.
Armed troops have been stationed around Parliament to free up armed police to patrol the streets in the wake of the Manchester bomb attack.
Chelsea had planned an open top bus tour to show off the Premier League trophy and hope to add the FA Cup in Saturday's final with Arsenal.