Canada working to prevent steep tariffs that US President Donald Trump says could be imposed as early as February 1.

Joly, and later Public Safety Minister David McGuinty, pointed to the reassignment of two Black Hawk helicopters operated by the RCMP to a border patrol role as proof of just how committed the Liberals are to beefing up security.

Canada's foreign minister said Ottawa as well as the provinces and territories are working on both preventing tariffs and a potential response if those tariffs happen on Feb. 1.

Many U.S. lawmakers are unaware of the risk Donald Trump ’s threatened tariffs pose to Canada, to the American economy and to two-way trade, Foreign Affairs Minister Mélanie Joly says after a visit to Washington aimed at stopping a trade war.

Foreign Affairs Minister Mélanie Joly says preventing U.S. tariffs on Canadian goods is her top priority, though Ottawa is ready to respond if they are put in place. She says Canada is making a public case against tariffs but will keep negotiations private.

Minister of Foreign Affairs Melanie Joly answers questions from journalists ... She called for unity on Canada's trade strategy. The premiers of Alberta, Quebec and Saskatchewan have pushed ...

U.S. President Donald Trump says he will decide Thursday night whether to include oil in his tariff plan, as he confirmed his intention to impose devastating duties on Canadian imports on Saturday.

Trump said he would likely decide by the end of the day Thursday whether to put a 25 per cent tariff on Canadian oil imports that would take effect on Saturday.

U.S. President Donald Trump confirmed today he’ll follow through on his threat to impose punishing tariffs on Canadian imports on Saturday, despite efforts by the federal government to address the commander-in-chief’s concerns by fortifying the border.

Speaking to reporters in the Oval Office, Trump said Thursday, that he will impose the 25 per cent tariff on both Canada and Mexico "for a "number of reasons."

U.S. President Donald Trump says he will decide Thursday night if oil will be a target of the hefty tariffs he's threatening to impose on Canadian goods.Speaking to reporters in the Oval Office on Thursday,

Roughly $900 billion in annual trade between Canada and the United States — and, with it, traditionally chummy bilateral ties — is on the brink of upheaval, with President Donald Trump threatening to impose sweeping tariffs on Canada as early as this weekend.