Existing American tariffs already restrict steel and aluminum shipments from China, which is now flooding other markets with its exports instead.

President Donald Trump says he will also impose "reciprocal tariffs" on any countries who place tariffs on the US.

China’s tit-for-tat duties on U.S. imports took effect Monday, just hours after U.S. President Donald Trump announced that he wants to slap new duties on all steel and aluminum imports to the U.S. The rapid-fire shots of tariffs and import curbs hearken back to Trump’s first term in office,

During his first term, Trump put tariffs of 25% on steel imports and 10% on aluminium imports from Canada, Mexico and the European Union. But the US reached a deal a year later with Canada and Mexico to end those tariffs, although the EU import taxes remained in place until 2021.

President Donald Trump’s trade war will escalate this week, with another round of tariffs expected on allies and Chinese retaliatory duties on U.S. goods. Trump announced on Sunday that he would implement 25% tariffs on steel and aluminum imported into the United States,

President Donald Trump has said he will announce a 25% import tax on all steel and aluminium entering the US, a move that will have the biggest impact in Canada. Trump also said that there would be an announcement later in the week about reciprocal tariffs on all countries that tax imports from the US,