The Standing Rock Sioux tribe and environmental activists have been protesting the construction of the oil pipeline for months.
Dakota Access LLC may have to reroute the pipeline, and shippers in the near term may have to unload crude at a loss.
Clinton celebrated her presumptive role as the first woman in U.S. history to capture the nomination for a major party.
Clinton encourages immediate unity in the Democratic Party to defeat Donald Trump in the general election.
Tuesday effectively will mark the end of the presidential primary season.
GOP candidates and their surrogates are descending on North Dakota to woo party insiders.
Five people became sick in Kansas, Oklahoma and North Dakota.
Rugby, North Dakota, is home to a disproportionate number of centenarians.