The Keystone crude oil pipeline was shut following a spill in North Dakota, the third along the pipeline’s route in less than three years, roiling Canadian and U.S. oil markets. TC Energy Corp.’s 590,000 barrel-a-day pipeline that carries crude from Alberta to refineries in the U.S. Midwest and Gulf Coast ruptured overnight and caused a spill near the city of Edinburg in North Dakota, Brent Nelson, an emergency manager for Walsh County, said by phone. TC Energy declared force majeure on the pipeline system after the shutdown, according to people familiar with the matter who asked not to be identified because the information is private. An emergency response team has contained the impacted area, the company said in a statement on its website, adding that it doesn’t have a figure for the volume of […]