The raids came after a sharp drop in fentanyl seizures in Mexico earlier this year, and days after U.S. President-elect Donald Trump threatened to impose 25% tariffs on products from Canada and Mexico unless those countries cracked down on the flow of migrants and drugs across the border.

Mexican soldiers and marines have seized over a ton of fentanyl pills in two raids in the north in what officials are calling the biggest catch of the synthetic opioid in the country's history