Mark Carney, a central banker turned politician, steps into his role at a crucial moment as President Trump sets his sights on Canada’s sovereignty and keeps threatening more tariffs.

By Promit Mukherjee and David Ljunggren OTTAWA (Reuters) -Ex-central banker Mark Carney was formally sworn in as prime minister of Canada on Friday, putting him in a position to fight tariffs from U.S.

Former central banker Mark Carney is now the prime minister of Canada after being sworn into office in Ottawa. Carney, who has never held office as an elected official, swore an oath of allegiance to King Charles III on Friday at Rideau Hall before jointly signing his official appointment with Governor-General Mary Simon.