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BISMARCK, N.D. (AP) — Developers of a $3.8 billion, four-state oil pipeline are asking a federal judge to order protesters in North Dakota to stop interfering with the project. Dakota Access filed a lawsuit in federal court on Monday against Standing Rock Sioux Tribal Chairman David Archambault II and other protesters. Dakota Access' complaint alleges protesters are putting the safety of workers and law enforcement at risk. The tribal chairman was among several protesters arrested last week and charged with disorderly conduct or criminal trespass at the construction site near the Standing Rock Sioux reservation. The Standing Rock Sioux Tribe late last month sued federal regulators for approving the pipeline from North Dakota to Illinois.

Dakota Access pipeline owners sue North Dakota protesters