Canada's ruling Liberal Party elected a new party leader Sunday who will serve as the nation's next prime minister, replacing outgoing premier Justin Trudeau. Why it matters: Liberal Party members' vote for Mark Carney comes as the Liberal Party is experiencing a polling boost amid widespread opposition to President Trump's policies targeting its northern neighbor.

Canada’s Liberal Party on Sunday elected Mark Carney as the party’s new leader after a high-stakes race to replace Prime Minister Justin Trudeau. NBC News’ Molly Hunter has the latest.

Canada's governing Liberals will announce a replacement for Prime Minister Justin Trudeau on Sunday as the country deals with U.S. President Donald Trump's tariff threats and as a federal election looms.