The European Union unveiled a two-stage response that will target up to $28 billion in U.S. exports. Canada announced 25 percent tariffs on $20.7 billion.

Mr. Trump told the BBC late Sunday that tariffs “will definitely happen with the European Union” and could come “pretty soon.” Europe has been preparing for the possibility of a trade war ...

"If the European Union works with Canada in order to do economic harm to the USA, large scale tariffs, far larger than currently planned, will be placed on them both in order to protect the ...

"It’s all going to be the same for everyone," the president told reporters of the U.S. duty those countries will face.

After President Trump’s global tariffs on steel and aluminum took effect, the European Union and Canada announced billions of dollars in levies on American goods. The stock market recovered ...