The operator of the Keystone oil pipeline has restarted the system after a spill onto farmland in North Dakota last week shut down the line.

The Keystone Pipeline resumed operations Monday at a reduced pressure as cleanup efforts continue from an oil spill in North Dakota. The Pipeline and Hazardous Materials Safety Administration said it approved operator South Bow’s plan to restart the pipeline,

The operator of the Keystone oil pipeline said it planned to restart the system Monday after a spill onto farmland in North Dakota last week shut down the line.