The coffin of Queen Elizabeth will be taken from her home in the Scottish Highlands on a slow, six-hour journey to Edinburgh, giving the public a chance to line the roads in tribute to the monarch who died after seven decades on the throne.
Australia's prime minister and other political leaders have honoured Queen Elizabeth II, laying wreaths at Parliament House as mourning continues around the country.
Queen Elizabeth, Britain's longest-reigning monarch, the country's figurehead and a towering presence on the world stage for seven decades, has died peacefully at her home in Scotland aged 96.
Australia has joined much of the world in mourning Queen Elizabeth II, as her death prompts the first change in head of state in more than seven decades.
Britain's four days of Platinum Jubilee celebrations to mark Queen Elizabeth's 70 years on the throne conclude with a pageant through central London, and with tens of thousands of people expected to take part in nationwide street parties.
British Prime Minister Boris Johnson hopes to reset his government with plans aimed at winning back traditional supporters in southern England who abandoned his party at recent local elections.