U.S. President Donald Trump on Tuesday vowed to hit the European Union with tariffs and said his administration was discussing a 10% punitive duty on Chinese imports because fentanyl is being sent from China to the U.

Trump, who returns to the White House Monday, has made sweeping threats of tariffs against US trading partners – including the EU, Canada, Mexico and China

President Donald Trump said Monday that he expects to put 25% tariffs on Canada and Mexico starting on Feb. 1, while declining to flesh out his plans for taxing Chinese imports. Trump made the announcement in response to reporters' questions while signing executive actions in the Oval Office on his first day back in the White