There, witnesses claim, protesters were attacked by armed police, who allegedly fired tear gas and rubber bullets at the crowd in the freezing cold. I have reached out to the Morton County Sherriff's Department and will update this post if I receive a response.

Activists have been protesting at the Dakota Access Pipeline site since the spring of 2016. According to the MCSD, 589 people have been arrested as part of the NoDAPL protests since August 10.