'Op Unicorn', 'London Bridge' explained: Codenames for Queen's funeral

It is no secret that the UK's plan for the eventual death of Queen Elizabeth II was codenamed London Bridge.

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But there were special provisions if the monarch died when she was in Scotland, called Operation Unicorn.

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The unicorn is the national animal of Scotland and forms part of the royal coat of arms, along with the lion of England.

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The 96-year-old monarch passed away at her remote Highlands residence, Balmoral, with all her immediate family flying in to be at her side.

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Aspects of Operation London Bridge were already activated such as BBC presenters wearing black and channels switching to rolling news.

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