Prime Minister Justin Trudeau tells business leaders at the Canada-U.S. Economic Summit in Toronto that U.S. President Donald Trump’s threat to annex Canada 'is a real thing.'

Canadian Prime Minister Justin Trudeau told a business gathering on Friday that US President Donald Trump’s threat to annex Canada “is a real thing,” two Canadian business leaders who were at the meeting confirmed to CNN.

With Canada not yet out of the woods when it comes to U.S. tariffs, Prime Minister Justin Trudeau is meeting with Canadian business and labour leaders this morning in Toronto to chart a way forward.

The federal government is hosting a summit in Toronto today aimed at bolstering the economy in the face of Canada's rapidly changing relationship with its largest trading partner.