Canada announced retaliatory tariffs as high as 50 percent on hundreds of American products, days after the collapse of trade talks triggered punishing tariffs from the Trump administration. Canada's government said it would impose tariffs on some 700 US goods as of next month, amid the latest trade spat between Donald Trump and Mark Carney. Key points and original sources are listed below.

• Canada announced retaliatory tariffs as high as 50 percent on hundreds of American products, days after the collapse of trade talks triggered punishing tariffs from the Trump administration.S1

• Canada's government said it would impose tariffs on some 700 US goods as of next month, amid the latest trade spat between Donald Trump and Mark Carney.S2