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Indigenous protesters hold up water bottles to police as they move in on the Front Line camp with armored vehicles and riot gear on Thursday, Oct. 27, 2016. (Photo by Adam Schrader)

An indigenous leader tells Dakota Access protesters to use water bottles put out a hay-and-tire fire others started at a NoDAPL protest action on Thursday, Oct. 27, 2016. (Photo by Adam Schrader)

Indigenous men stand on cars yelling at each other during a protest action against the Dakota Access pipeline near Standing Rock, North Dakota, on Oct. 27, 2016. There was an abundance of infighting and power clashes that day as militant protesters looking to defend native treaty land express exasperation with peaceful protesters. (Photo by Adam Schrader)

Indigenous men work to move barricades and put out a fire others started during a police raid on the Front Line protest camp. Police stand in riot gear ready to make more than 140 arrests at the camp. Protesters and journalist Adam Schrader later received a felony charge of endangering by fire or explosives. (Photo by Adam Schrader)

A woman sings a song of prayer as she retreats from the front line to the main camp during a police raid on Thursday, Oct. 27. (Photo by Adam Schrader)