Canadian Prime Minister Mark Carney has arrived in Beijing, aiming to repair relations with China. It's the first visit by a Canadian leader to China in nearly a decade.

China responded by imposing duties of 100% on Canadian canola oil and meal and 25% on pork and seafood. It added a 75.8% tariff on canola seeds last August. Collectively, the import taxes effectively closed the Chinese market to Canadian canola exports, an industry group said.

Trump’s commerce secretary accuses Canada of being "arrogant" on the world stage.