India, Feb. 2 -- US President Donald Trump imposed a 25% tariff on Canadian and Mexican imports and a 10% on goods from China to address a "national emergency" over illegal immigration and fentanyl, White House officials said.

Trump had been threatening the tariffs to ensure greater cooperation from the neighbouring countries to stop "illegal immigration" and the smuggling of chemicals used for fentanyl. The US president has also pledged to use tariffs to boost domestic manufacturing and raise revenues for the federal government.

"Today, I have implemented a 25% Tariff on Imports from Mexico and Canada (10% on Canadian Energy), and a 10% additional Tariff on China. This was done through the International Emergency Economic Powers Act (I...