Dakota Access Pipeline: 141 Activists Arrested in Tense Clash With Police

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Demonstrators stand next to burning tires as soldiers and law enforcement officers assemble to force Dakota Access pipeline protesters off private land where they had camped on Friday. Mike McCleary / The Bismarck Tribune via AP

(NBC News) Tensions are high in North Dakota, where the largest Native American protest ever is taking place at the site construction site of a controversial oil pipeline.

Thursday afternoon's clash between protesters and police spilled into the early morning hours.

More than a 140 have been arrested, but demonstrators promise their fight is not over.

An army of 200 officers cleared demonstrators blocking a highway used to access the Dakota Access Pipeline construction site.

The nearly completed pipeline will cross four states, connecting North Dakota and Illinois with 1,200 miles of pipe.

The $3.8-billion dollar project will be capable of transporting 570,000 barrels of oil a day.

The construction runs along the Standing Rock Sioux Reservation. Demonstrators say it's destroying sacred land and also threatens to pollute the Missouri River, which provides water to millions of people.

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