Ex-central banker Mark Carney will be formally sworn in as prime minister of Canada on Friday, putting him in a position to fight tariffs from U.S. President Donald Trump that could devastate the trade-dependent Canadian economy.

Following his dramatic ascension as Prime Minister of Canada, Mark Carney will surely be tempted to call an election on a platform of taking the fight to Donald Trump. But if he wins, that’s where his problems will start,

Former Bank of England governor Mark Carney has been named Canadian prime minister after winning the Liberal Party leadership in a landslide victory. Mr Carney, who also used to head up Canada's central bank, had emerged as the frontrunner as his country was hit with tariffs imposed by President Trump.