Canada's retaliatory tariffs on USD 28 billion worth of US goods took effect on Tuesday, escalating an 18-month trade war. The counter-tariffs cover $20 billion of US goods, with duties ranging from 15% to 50% across products from steel and furniture to clothing and electronics. Key points and original sources are listed below.

• Canada's retaliatory tariffs on USD 28 billion worth of US goods took effect on Tuesday, escalating an 18-month trade war. While businesses brace for higher costs and supply chain strains, experts note that everyday consumers will likely experience minimal imp...S1

• The counter-tariffs cover $20 billion of US goods, with duties ranging from 15% to 50% across products from steel and furniture to clothing and electronics.S2

• It is the latest escalation since trade talks collapsed in late August, with US officials threatening to hit back if Canada’s counter-tariffs are implemented.S3

• Canada has imposed retaliatory tariffs on the US, with with hefty duties on a range of US imports from steel to furniture, clothing and electronics.S4