She died at the age of 96, and is Britain's longest-reigning monarch, after 70 years on the throne.

Mr Dunbobbin said: “I am deeply saddened to learn of the passing of Her Majesty The Queen.

"As a nation, we have lost a towering figurehead, who has served our country diligently and dutifully for over 70 years.

“My thoughts at this moment are with the members of the Royal Family as they mourn the loss of a much-loved mother, grandmother, and great-grandmother.

"As PCC, I know people across North Wales will also be very saddened by today’s news and that the officers and staff of the North Wales Police family share that grief.

"Over the coming days, the force will doubtless be involved in ceremonies or other events that take place to mark the Queen’s passing. 

"And I know that North Wales Police will do its duty – as it always does – in a committed and compassionate way, that both reflects, and pays respect to, the outstanding monarch we have lost.”

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North Wales Police also paid its own tribute.

Temporary chief constable Richard Debicki, on behalf of the force, said: “It is with great sadness we learn of the death of Her Majesty Queen Elizabeth.

“On behalf of North Wales Police, I offer my deepest condolences to the Royal Family at this sad time and our gratitude for the lifetime of service she gave.

“She will be deeply missed not only across the United Kingdom, but across the world for her dedication and commitment to a life of service.”

As a mark of respect, flags will be at half-mast at force headquarters, and all other force buildings where there is a flag pole.