The cause of the rupture and the total volume of oil released after the North Dakota spill remain unclear, officials said.

An employee on a pump station heard what was described as a mechanical bang early Tuesday morning, an official told CBS News.

An employee on a pump station along the pipeline heard a "bang" Tuesday morning, spill investigation program manager with the ...

A section of the Keystone pipeline was shut off after a large bang was reported, sparking chaos in the area of Fort Ransom in North Dakota, with an oil spill ...

The U.S. Pipeline and Hazardous Materials Safety Administration announced on April 14 that South Bow restarted the pipeline ...

FORT RANSOM, N.D. (KFGO KVRR) – A portion of the Keystone Pipeline, which carries crude oil from Canada to the U.S. ruptured Tuesday morning near Fort Ransom in southeastern North Dakota.

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

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

An employee working at the site near Fort Ransom heard a “mechanical bang” and shut down the pipeline within about two minutes, said Bill Suess, spill investigation program manager with the ...

The much-maligned and protested Keystone Pipeline is in the news again, this time not for good reasons. On Tuesday morning, ...