“It is with deep sorrow that we have learnt of the death of Her Majesty Queen Elizabeth II.
“Much loved and respected throughout the world, Her Majesty dedicated her life to the people of the United Kingdom, the Realms and the Commonwealth for 70 years. She will be remembered for her warmth, dedication and spirit, a dependable figure in an ever-changing world.
"Throughout her remarkable reign, she became the nation’s last constant, a symbol of stability and optimism rooted in a sense of belonging together as members of a global community. As our longest-serving monarch, she touched the lives of people throughout the world and was admired for her sense of duty, dignity and decency.
“We offer our heartfelt condolences and sympathy to the Royal Family."
The Duke and Duchess of Northumberland
Following the death of Her Majesty The Queen, as a mark of respect, Alnwick Castle will be closed on Friday 9 September and for the State Funeral on Monday 19 September.