Mark Carney has been sworn in as Canada’s prime minister, after Justin Trudeau formally stepped down, as the country faces questions about its sovereignty from Donald Trump and a trade war with Canada’s largest trading partner,

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.

The former central bank chief takes over at what he has called “a time of great peril” for Canada, with Trump attacking its sovereignty and economic security.