Britain's new monarch to be known as King Charles III

London: Clarence House confirmed on Thursday that Britain's new monarch will be known as King Charles III, following the death of Queen Elizabeth, PA Media reported on Thursday.

With the death of his mother Queen Elizabeth on Thursday, Prince Charles has become King of the United Kingdom and 14 other realms, ending a wait of more than 70 years - the longest by an heir in British history.

Britain's new king, Charles III, said that queen Elizabeth II was a "cherished sovereign and a much-loved mother" who would be missed around the world.

Here is the full statement issued by Buckingham Palace after Charles, 73, ascended the throne following his mother's 70-year reign:

"The death of my beloved mother, her majesty the queen, is a moment of the greatest sadness for me and all members of my family.

"We mourn profoundly the passing of a cherished sovereign and a much-loved mother. I know her loss will be deeply felt throughout the country, the realms and the Commonwealth, and by countless people around the world.

"During this period of mourning and change, my family and I will be comforted and sustained by our knowledge of the respect and deep affection in which the queen was so widely held."