Exterminators called in to deal with an infestation at a police station found a mouse nest on a messy desk.
Pest controllers were called to an office in Kennington, south London, used by weapons and technology experts at the Metropolitan Police after reports of 'mice everywhere'.
According to internal police reports, a family of mice even set up home in one police worker's desk - burying themselves in his paperwork.
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http://www.telegraph.co.uk/news/newstopics/howaboutthat/6935222/Mouse-nest-found-on-policemans-filthy-desk.html