Trucks and workers started a cleanup effort at the site of a spill of the Keystone oil pipeline in rural North Dakota.

The Keystone Pipeline was shut down Tuesday morning after a leak in North Dakota. South Bow, the pipeline's operator, said it shut down the pipeline after its control center leak detection systems ...

The Keystone oil pipeline from Canada to the United States was shut on Tuesday after an oil spill near Fort Ransom, North Dakota, its operator South Bow and the state's Department of Environmental ...