A huge crowd has gathered in London on a lovely summer's day to share in the celebrations to mark the start of a weekend of events for the Queen's Platinum Jubilee.
An estimated twenty-two thousand royal fans gathered on The Mall near Buckingham Palace for the Trooping the Colour parade.
Queen Elizabeth II came to throne 70 years ago and is Britain's longest reigning monarch
. Correspondent Olly Barratt spoke to Guyon Espiner.
