President Donald Trump will host congressional leaders and families affected by the fentanyl epidemic on Wednesday for a signing ceremony on bipartisan legislation that would strengthen prison sentences for fentanyl traffickers,

President Claudia Sheinbaum has accommodated U.S. security demands on stemming the flow of the lethal narcotic, but hasn’t received preferential treatment from the Trump administration.

President Donald Trump published a letter to Prime Minister Mark Carney on Thursday, accusing Canada of having "financially retaliated" against the U.S.

Mexico's president on Monday hit back at U.S. criticism that her government was not doing enough to combat fentanyl, calling for the United States to do more to arrest drug traffickers on its own turf and stop the flow of weapons south across the border.

A day after President Trump announced a new 35 percent tariff on Canadian goods beginning next month, Prime Minister Mark Carney said Canada had made “vital progress” towards stopping fentanyl.

The Mexican president pointed to bilateral talks underway as the nation's best bet to avoid a fresh round of 30% tariffs set to kick in Aug. 1.

The stock market dipped on Friday after President Donald Trump issued his latest tariff threat against Canada. The S&P 500 posted a daily decline of 0.33% and was essentially flat over the past week. The Nasdaq notched a daily drop of 0.23%, and the Dow Jones fell 0.63%.

President Trump warns Canadian Prime Minister Mark Carney of a new 35% tariff on Canadian imports if the country doesn't address fentanyl trafficking and existing trade disputes.

Trump announces a 35% tax on America’s No. 2 trading partner.

Fentanyl, a potent synthetic opioid, has become a key point of contention in US-China trade talks. The US accuses China of enabling fentanyl's flow into the US, leading to overdose deaths and tariffs.