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BISMARCK, N.D. (AP) — The company building the Dakota Access pipeline says the project remains on track to start moving oil this week despite recent “coordinated physical attacks” along the line.

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The brief court filing late Monday from Texas-based Energy Transfer Partners didn’t detail the attacks, but said they “pose threats to life, physical safety and the environment.”

The filing cited those threats for redacting most of the 2½-page report. A spokeswoman and an attorney for the company didn’t immediately respond to emailed questions from The Associated Press.

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Two American Indian tribes have battled the $3.8 billion pipeline in court for months, arguing it’s a threat to water. The company has said the pipeline will be safe.

When complete, the pipeline will move oil from North Dakota to a shipping point in Illinois.

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