President Donald Trump said on Monday that he intends to impose new tariffs on Canada, Mexico and China, citing what he described as failures to curb fentanyl entering the United States. The move signals another round of trade pressure on America’s three biggest commercial partners.

The announcement comes as Washington continues to wrestle with the opioid crisis, which has killed hundreds of thousands of people in the U.S. in recent years. Trump has repeatedly argued that foreign suppliers and cross-border trafficking networks are helping sustain the flow of lethal drugs.

Tariffs can be used as leverage in broader diplomatic disputes, but they also risk raising costs for businesses and consumers while straining already delicate trade ties. Any new duties would likely trigger pushback from Ottawa, Mexico City and Beijing, adding uncertainty to supply chains across North America and beyond.

The president did not immediately provide a detailed timetable or explain how the measures would be structured. Markets and trade officials will be watching closely for further guidance, especially on whether the announcement becomes a negotiated threat or a formal policy shift.

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Trump plans new tariffs on Canada, Mexico and China over fentanyl flows