Iran Press/ America: Prime Minister Gaston Browne told the UK's ITV: "This is a matter that has to be taken to a referendum for the people to decide."
"This is not an act of hostility or any difference between Antigua and Barbuda and the monarchy, but it is the final step to complete that circle of independence, to ensure that we are truly a sovereign nation."
He said the vote would likely take place in the next three years.
King Charles III is the monarch and head of state in 14 countries outside of the UK, including Antigua and Barbuda.
His role is largely symbolic, but the death of Queen Elizabeth II on Thursday caused, amidst international mourning, renewed discussions about the impact of Britain's imperialist rule and the future relationship between the UK and some of those countries.
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