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Preparations Ahead Of Funeral Of Former British Prime Minister Margaret Thatcher

LONDON, ENGLAND - APRIL 15: A flag draped coffin is carried on a gun carriage during a rehearsal for the ceremonial funeral of former Prime Minister Margaret Thatcher on the steps of St Paul's Cathedral on April 15, 2013 in London, England. Lady Thatcher's coffin will be carried on a gun carriage though the City of London to St Paul's cathedral where a funeral service will be held on April 17. (Photo by Peter Macdiarmid/Getty Images)

Rehearsal for Margaret Thatcher's funeral

Ahead of the public funeral planned for Wednesday, members of Britain's armed forces and clergy at St. Paul's Cathedral rehearsed the procession and service for Britain's former "Iron Lady."