The president-elect’s threat to hit Canada, Mexico and China with new tariffs is already rocking business and diplomatic relationships and could topple the trade pacts he signed in his first term.

Officials from Mexico, Canada and China and major industry groups warned that U.S. President-elect Donald Trump's threat of hefty tariffs on goods would harm the economies of all involved, cause inflation to spike and damage job markets.

Leaders in Mexico and Canada responded to the president-elect’s proposed new tariffs. Observers said the plan might just be the first step in negotiations.

President-elect Donald Trump vowed additional tariffs on Mexico, Canada and China, shaking markets with his first specific threats to the US’s top trading partners since his election win three weeks ago.

The president-elect said that he would impose the across-the-board tariffs on Day 1 and that they would stay in place until Canada, Mexico and China halted the flow of drugs and migrants.

President-elect Donald Trump took to social media on Monday, vowing to slap a 25% tariff on Canadian and Mexican goods coming into the United States on day one of his new administration until the countries agree to curb their,

President-elect Donald Trump on Monday pledged tariffs on the United States' three largest trading partners - Canada, Mexico and China. The proposed tariffs would affect a wide range of industries, including oil,