Donald Trump’s increasingly strident approach to relations with Canada is provoking fear about the potential consequences north of the border and questions about just how serious the U.S. president-elect actually is.

Canadian Prime Minister Justin Trudeau announced his resignation after facing an increasing loss of support both within his party and in the country.

Justin Trudeau, who has led the country for nearly a decade, is giving up leadership of the Liberal party. He said he would remain in both roles until his replacement had been chosen through a party election.