Sworn in at a ceremony in Ottawa on Friday, Mr Carney pledged his loyalty to Charles, who is also the King of Canada, and later lauded Canada's "proud British heritage" in his address.

Mr Carney paid tribute to Canada’s ‘proud British heritage’ in a speech after he was sworn in as the country’s new prime minister.

Mark Carney, an economist and political newcomer, has been sworn in as Canada's new prime minister and delivered a speech vowing to "never" become a part of the United States. He takes office on Friday just days after being elected leader of the governing Liberal Party and amid an ongoing trade war with US President Donald Trump.