Trump had threatened to impose tariffs in February before suspending them at the last minute, when Mexico sent 10,000 National Guard troops to their shared border to crack down on drug trafficking and illegal immigration.

Commerce Secretary Howard Lutnick said Trump will decide Tuesday afternoon whether to proceed with, reduce or postpone tariff plans that have been on hold.

Trump's Commerce secretary said in a CNN interview that Canada and Mexico still need to do more to stop fentanyl flows into the U.S.