At approximately 1:00 am, a fire began in the prairie to the west of the Seven Councils camp on the west side of Hwy 1806. Mandan Rural FD was dispatched at 1:12 am. Due to the location of the fire, the fire departments experienced difficulty with access. The fire was spreading to the west, and was not endangering the protest camps. At approximately 8:30 am, a NDNG helicopter arrived to assist with extinguishing the fire. The fire was basically extinguished at approximately 9:50 am.