President Donald Trump's long-anticipated tariffs on goods from China, Canada, and Mexico were made official on Saturday, according to the White House. The Trump administration said it had imposed a 25% tariff on goods from Canada and Mexico and a 10% tariff on China.

The president had promised action, though his team had been in negotiations over how to potentially dial back tariffs.

President Donald Trump on Saturday signed an order to impose stiff tariffs on imports from Mexico, Canada and China, drawing swift retaliation and an undeniable sense of betrayal from the country's North American neighbors as a trade war erupted among the longtime allies.