If sustained, U.S. tariffs imposed on Mexico and Canada will have a significant adverse impact on those countries, the International Monetary Fund said on Thursday, citing the strong integration of both countries with the U.

The IMF warned Canada and Mexico are vulnerable to “significant adverse economic impact” if President Donald Trump sustains tariffs on those countries given their exposure to US markets.

Plus: President Trump's sweeping freeze on federal funding has been hit with another legal blow. | A deadline looms to avoid a government shutdown.