MANDAN, N.D. – More than 20 people have been arrested at a North Dakota construction site while protesting the Dakota Access pipeline.
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Morton County sheriff's spokesman Rob Keller says 200 to 300 people were protesting Saturday morning when authorities were called to the site south of Mandan, a city just west of Bismarck and about 50 miles north of where protesters have been camping for weeks.
Protests have drawn thousands of people to the area where Texas-based Energy Transfer Partners is trying to finish building the 1,200-mile pipeline.
Keller confirms that officers used pepper spray. More details are expected to be released Saturday afternoon.
The protesters are facing charges including criminal trespass and engaging in a riot.
More than 160 people have now been arrested in North Dakota since demonstrations began in August.