President Trump has kept the focus on allegations of fentanyl smuggling from Canada as the main motivation for tariffs. But official data from both sides shows very, very little of the drug comes from the north.

Canadian and Chinese officials say they were already helping reduce fentanyl smuggling. Prime Minister Justin Trudeau said fentanyl crossing the northern border is "near zero."

Generic drugmakers and hospital pharmacists warn that added financial pressure from tariffs could strain the nation's generic drug supplies.

Hi, this is Colum Murphy in Beijing, where Chinese officials are throwing a few sharp elbows in their running rivalry with the US.

U.S. President Donald Trump threw a curve ball at China by linking the fentanyl issue to his tariffs on imports. The Chinese government is swinging back. First it issued a report detailing its efforts to control the illegal trade in fentanyl,