On Friday, Prime Minister Mark Carney began the process to end the consumer carbon price on things like gasoline.

Finance Minister Dominic LeBlanc says the $29.8 billion in tariffs announced today are in addition to 25 per cent tariffs Canada imposed on $30 billion in imports from the United States earlier this month.

NDP Leader Jagmeet Singh says Canada should use Canadian steel and aluminum for public infrastructure projects.

Prime Minister Justin Trudeau said that freedom, democracy and Canada "are not a given" in his farewell speech to Liberals just before former Bank of Canada governor Mark Carney was announced as the new Liberal leader.

Hundreds of people gathered on Parliament Hill on Sunday for the "Elbows up, Canada" rally as U.S. President Donald Trump threatens economywide tariffs and making the country into the 51st state.

He said Canada is immediately introducing 25 per cent retaliatory tariffs on $30 billion worth of American products, and will expand them to cover another $125 billion in U.S. goods in 21 days.

"One hundred per cent of the cost of the base will come from the foreign aid budget," he said. "In fact, today's announcement will actually reduce the deficit because I plan to cut foreign aid more than the full cost of the announcement that I've made today," said Conservative Leader Pierre Poilievre

Prime Minister Justin Trudeau is travelling to Warsaw today to meet with his Polish counterpart Donald Tusk.

In November, Superior Court Justice Charles Hackland in Ottawa found King guilty on five counts, including mischief and disobeying a court order.

Canada is the top supplier of foreign oil to the U.S. and accounts for about one-fifth of its oil supply.