Queen Elizabeth II, Britain's longest reigning monarch, dies at 96
Queen Elizabeth II, Britain's longest serving monarch, has died at 96. She reigned for 70 years.
Her eldest son, Charles, 73, has succeeded as king, according to centuries of protocol.
The royal family - King Charles, grandsons William and Harry and their families - have gathered at her Balmoral retreat in the Scottish highlands, where she spent her last days.
The UK celebrated the Queen's Platinum Jubilee to mark 70 years of service to the nation with grand events in June.
In 2015, Queen Elizabeth became the longest-serving British monarch, surpassing her great-great grandmother Queen Victoria. This year, she became the world's second longest reigning monarch.
As UK celebrated her Platinum Jubilee milestone with royal parades, street parties and pageantry, the Queen thanked the nation in a letter, saying that she had been "humbled and deeply touched".
"When it comes to how to mark 70 years as your Queen, there is no guidebook to follow. It really is a first," she wrote.