BISMARCK — The operator of a portion of the Keystone pipeline that runs through North Dakota estimates about 3,500 barrels, ...

Workers have recovered thousands of gallons of crude oil from an underground pipeline spill on North Dakota farmland.

U.S. federal regulators have ordered the Calgary-based operator of the Keystone Pipeline to take several corrective actions ...

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

The nearly 2,700-mile Keystone oil pipeline was shut down Tuesday morning after it ruptured in North Dakota, halting the flow ...

The company that manages the Keystone Pipeline has estimated that 3,500 barrels of crude oil leaked from a pipeline near Fort ...

An estimated 3,500 barrels of oil spilled in a field near Fort Ransom, N.D., and the release was contained, the pipeline’s ...

A portion of the Keystone Pipeline ruptured near Fort Ransom, North Dakota, around 7:44 a.m., according to local reports.

FORT RANSOM, N.D. — The Keystone Pipeline has spilled oil into a field near Fort Ransom. The amount of crude oil that may ...

The Keystone pipeline released about 3,500 barrels of oil in southeastern North Dakota, the conduit’s owner said Tuesday, ...

A section of the Keystone pipeline was shut off after a large bang was reported, sparking chaos in the area of Fort Ransom in ...

Officials say the Keystone oil pipeline has ruptured in North Dakota, with the spill confined to an agricultural field ...