Thatcher's flag-draped coffin was transported by horse-drawn gun carriage to St. Paul's Cathedral, where world leaders and dignitaries from 170 countries waited.
Britain and World Dignitaries Say Goodbye to 'Iron Lady'
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People celebrate during a party to mark the death of former British Prime Minister Margaret Thatcher, in central London's Trafalgar square, April 13, 2013.
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A British police officer performs security checks with a sniffer dog ahead of the ceremonial funeral procession for former British Prime Minister Margaret Thatcher in London, April 17, 2013.
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Thatcher's most strident critics had long vowed to hold a gathering in central London on the Saturday following her passing, and the festivities were an indication of the depth of the hatred which some Britons still feel for their former leader.