In pictures: Crowds pay tribute

Crowds have gathered at Windsor Castle, Buckingham Palace, Clarence House and Sandringham to pay tribute to Queen Elizabeth, the Queen Mother.

A little girl leaves flowers for the Queen Mother at Windsor Castle

Flowers and tributes were left outside Royal residences around the country

A woman reads a newspaper outside St James's Palace in London, in front of the tributes

Books of condolence were signed by members of the public in London, Edinburgh and Norfolk

Clown Garibaldi from Wandsworth leaves his own tribute to the nation's favourite grandmother

Outside Windsor: Young and old have travelled to pay their respects to the Queen Mother

On the green near Buckingham Palace notes, flowers and children's toys were left as a mark of respect

Buckingham Palace, where an official notice announcing the death was posted, attracted hundreds of mourners

Windsor Castle was a focal point for many mourners as soon as the news broke on Saturday