The Sacred Stones Overflow Camp is growing in size and number as more people arrive at the site along North Dakota Highway 1806 and across the Cannonball River from the Standing Rock Sioux Indian Reservation, Monday, Sept. 5, 2016 in Morton County, N.D.  (Tom Stromme/The Bismarck Tribune via AP)

North Dakota borrowing $6M for pipeline protest costs

The Republican governor has asked federal officials to reimburse the state for the additional law enforcement costs.