HELENA, Mont. (AP) — Civil liberties advocates are taking Montana officials to court to force the public release of documents detailing the government’s planned response to anticipated protests...

BILLINGS, Mont. (AP) — Environmentalists and Native Americans can proceed with lawsuits challenging President Donald Trump’s approval of the Keystone XL oil pipeline from Canada, a federal judge...

BISMARCK, N.D. (AP) — A pipeline that carries tar sands oil from Canada through seven states has leaked an unknown amount of crude oil over more than quarter-mile swath in northeastern North...

HELENA, Mont. (AP) — A Montana judge won't take up the latest dispute between the Trump administration and environmental groups over the proposed Keystone XL oil pipeline until this...

BILLINGS, Mont. (AP) — Opponents of the Keystone XL oil pipeline asked a judge to again block construction of the $8 billion project after President Donald Trump issued it a new...

ST. CHARLES, Mo. (AP) — A segment of the Keystone pipeline that was shut down in early February when a leak was discovered in Missouri is now back in service.

JEFFERSON CITY, Mo. (AP) — The Missouri Department of Natural Resources says crews are still working to clean up and identify the cause of an oil pipeline leak in suburban St. Louis.

Agency spokesman Brian Quinn said contractors for the pipeline company, TransCanada Corp., were assessing an excavated segment of the Keystone pipeline Wednesday to pinpoint the problem.

The leak was discovered last week near St. Charles.

ST. LOUIS (AP) — The Latest on an oil leak near St. Louis (all times local):

5 p.m.

Missouri environmental regulators say the early estimate is that about 43 barrels, or 1,800 gallons (6,814 liters) of oil leaked from a pipeline near St. Louis.

The leak, discovered Wednesday in St. Charles County, forced the closure of sections of both TransCanada's Keystone pipeline and Enbridge Inc.'s Platte pipeline while an excavation crew determines which of the pipelines leaked.

ST. LOUIS (AP) — An oil leak near St. Louis prompted the closure of parts of two pipelines as crews work to determine the source, company officials and Missouri regulators said Thursday.

BILLINGS, Mont. (AP) — The Trump administration is appealing a court ruling that blocked the Keystone XL oil pipeline.

Justice Department attorneys on Friday appealed the November ruling from U.S. District Judge Brian Morris that blocked a construction permit for the 1,184-mile (1,900-kilometer) pipeline.

The line sponsored by Calgary-based TransCanada would begin in Alberta and shuttle as much as 830,000 barrels a day of crude through a half dozen states to terminals on the Gulf Coast.

ABERDEEN, S.D. (AP) — It's been a year since the Keystone pipeline leaked about 407,000 gallons of oil in northeastern South Dakota, and while the issue has been mitigated, a final federal investigation report has yet to be released.

ABERDEEN, S.D. (AP) — TransCanada Corp. is digging up a portion of the Keystone oil pipeline in South Dakota after an inspection identified potential issues with the pipeline's coating.

ABERDEEN, S.D. (AP) — A crude oil spill from the Keystone Pipeline in South Dakota last November has turned out to be nearly twice as big as first reported.

Around 407,000 gallons (338,900 imperial gallons) spilled onto farmland when the pipeline broke near Amherst in Marshall County on Nov. 16, a spokeswoman for pipeline owner TransCanada Corp., told the Aberdeen American News. TransCanada had originally put the spill at 210,000 gallons (174,860 imperial gallons).

BILLINGS, Mont. (AP) — Opponents of the proposed Keystone XL oil pipeline from Canada are asking a judge to force the U.S. government to turn over emails and other documents related to President Donald Trump's approval of the project.

Environmentalists who sued to stop the 1,179-mile (1,800-kilometer) pipeline said the documents could bolster their case that Trump's decision was arbitrary and should be overturned by the courts.

AMHERST, S.D. (AP) — TransCanada Corp. says cleanup of a massive on-shore oil spill from Keystone Pipeline in South Dakota is halfway finished.

Last November, the pipeline leaked 210,000 gallons of crude oil onto agricultural land in Marshall County, one of the largest on-shore oil spills in the U.S. since 2010.

BISMARCK, N.D. (AP) — An environmental activist from Seattle was sentenced Tuesday to serve one year in prison for targeting an oil pipeline in North Dakota.

Michael Foster, 53, cut through a chain link fence and turned a shut-off valve on the Keystone pipeline in northeastern North Dakota on Oct. 11, 2016. His action was part of a four-state protest to draw attention to climate change and support demonstrations in southern North Dakota against the Dakota Access pipeline.

ABERDEEN, S.D. (AP) — Authorities say contaminated soil from a Keystone Pipeline leak site spilled out when a semi-trailer driver became distracted and tipped the rig in northeastern South Dakota.

The accident happened Friday morning near Britton. The South Dakota Highway Patrol says the semi driver, 37-year-old William Connors of Show Low, Arizona, was distracted by an electronic device when he drifted onto the wrong side of the road, overcorrected and tipped.

SEWARD, Neb. (AP) — He never wanted a pipeline pulsing beneath his fields and farmyard southwest of Seward.

But Mike Briggs didn't have a choice in 2009, when TransCanada was building its original Keystone pipeline through Nebraska.

"I'm not happy I got my property taken away," he said this week. "I will never understand why we give a foreign oil company, or any for-profit company, the ability to take and condemn American land. That's not right."

AMHERST, S.D. (AP) — TransCanada Corp. says it will run an inspection device through its Keystone oil pipeline to make sure there aren't segments of pipe with similar characteristics to a section that ruptured in South Dakota.

A company spokesman said Wednesday that it would run the pipeline inspection gauge through its system within a 120-day period ordered by a federal pipeline safety agency.

AMHERST, S.D. (AP) — A federal agency says a leak in TransCanada Corp.'s Keystone oil pipeline in South Dakota likely was caused by damage during construction in 2008.

AMHERST, S.D. (AP) — TransCanada Corp. plans to resume operation of its Keystone pipeline nearly two weeks after crews shut it down in response to an estimated 210,000-gallon oil spill in South Dakota.

The company said in a statement that it will operate the pipeline at reduced pressure beginning Tuesday. TransCanada says the federal Pipeline and Hazardous Materials Safety Administration has reviewed its pipeline repair and restart plans with no objections.

ABERDEEN, S.D. (AP) — Crews cleaning up a large oil pipeline spill in northeastern South Dakota took a little time Thursday for a traditional Thanksgiving meal.

The American News reports an emergency response team brought in by TransCanada Corp. served up turkey, stuffing and pie for the crews.

AMHERST, S.D. (AP) — TransCanada Corp. says it has recovered more than 24,000 gallons of oil from the site of a pipeline leak discovered last week in South Dakota.

The company said 24,450 gallons of oil had been recovered as of Wednesday. TransCanada's Keystone pipeline leaked an estimated 210,000 gallons of oil on agricultural land in Marshall County, South Dakota.

The company says there are roughly 170 people on-site working on cleanup and remediation.

AMHERST, S.D. (AP) — A South Dakota official says TransCanada Corp.'s testing of water from a drainage ditch next to the Keystone pipeline's estimated 210,000-gallon oil spill found no oil.

Brian Walsh, an environmental scientist manager for the state Department of Environment and Natural Resources, said Wednesday the ditch in Marshall County appears to flow into a creek.

BRITTON, S.D. (AP) — A TransCanada Corp. official says he believes an estimated 210,000-gallon oil leak discovered last week in South Dakota from the Keystone pipeline was a sudden and "immediate" event.

AMHERST, S.D. (AP) — A South Dakota official says TransCanada Corp. plans to test water from a drainage ditch near the site of a 210,000-gallon oil spill from the Keystone pipeline to determine if it is polluted.

Brian Walsh, a manager at the South Dakota Department of Environment and Natural Resources, said Monday that officials don't believe the oil is polluting the ditch or leaving the spill site through it.

PIERRE, S.D. (AP) — South Dakota Gov. Dennis Daugaard says he hopes people who exercise their First Amendment rights will do so peacefully after a Nebraska commission approved a Keystone XL oil pipeline route through that state.

Daugaard said Monday he will continue supporting the proposed pipeline as long as it can be built and operated safely. But Daugaard says he recognizes some residents are disappointed by Nebraska's decision.