President-elect Donald Trump is threatening to impose sweeping new tariffs on Mexico, Canada and China as soon as he takes office as part of his efforts to crack down on illegal immigration and drugs.

Nov 25 (Reuters) - U.S. President-elect Donald Trump said on Monday he would sign an executive order imposing a 25% tariff on all products coming in to the United States from Mexico and Canada.

President-elect Donald Trump vowed Monday to slap punitive tariffs against Canada, Mexico and China, citing allegations that drugs and undocumented immigrants were entering the United States via those countries.