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 business and labor leaders will meet in Toronto this Friday to discuss diversifying trade and boosting the economy in the wake of U.S. threats to impose tariffs, Prime Minister Justin Trudeau said on Wednesday.

Trudeau made the remarks to more than 100 business, labour and industry leaders who were invited to an economic summit Friday in Toronto. His comments were made behind closed door