The US president threatens to increase 25% tariffs on Canada if it goes ahead with planned retaliatory action on American goods.

Mark Carney, Canada’s incoming prime minister, is no stranger to crises. Now he faces what is arguably the challenge of a lifetime: President Trump. Matina Stevis-Gridneff, the Canada bureau chief for The New York Times,

President Donald Trump's nominee to be the U.S. ambassador in Ottawa said on Thursday he views Canada as an independent nation, pledging to respect its sovereignty amid a global trade war and hostile rhetoric that has roiled diplomatic relations.