The Bismarck Tribune quoted the sheriff's department as saying protesters threw rocks and logs at officers, and one officer was struck in the head. One person was arrested, the report added.
Atsaucoties uz šerifa biroju, laikraksts "The Bismarck Tribune" vēsta, ka protestētāji sākuši apmētāt policistus ar akmeņiem un koka gabaliem, vienam kārtības sargam trāpot pa galvu.