WASHINGTON - The man U.S. President Donald Trump has chosen to oversee his tariff agenda says hitting Canada with 25 per cent across-the-board duties would be an emergency measure to achieve border security — and could be followed by more tariffs in the future.

WASHINGTON - U.S. President Donald Trump says he will slap Canada and Mexico with 25 per cent tariffs on Saturday.

Dimon did not get into the details of Trump's plans, but said it depends on how the duties are implemented.