The first of what is expected to be hundreds of thousands of mourners have begun to file past the coffin of Queen Elizabeth the second.
She is lying in state at Westminster Hall for the next four days.
A queue five kilometres long is snaking through London, as mourners wait to pay their respects.
The metropolitan police service says the Queen’s funeral and lying in state is the biggest security operation it has ever faced.
Al Jazeera’s Neave Barker has more from London.
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