Ontario's premier called the tariff threats serious, unfounded
Trump threatened to impose a 25% tariff on all products from Canada, Mexico
When Trump imposed higher tariffs during his first term, other countries responded with retaliatory tariffs
Tariffs to remain in place until Canada, Mexico stop drugs, people from illegally crossing borders, Trump says
China's total foreign trade from January to October is up about 5% from a year ago, Wang noted
The Canadian Chamber of Commerce said a tariff could rip $30 billion out of the national economy